niether of these will automatically make you more powerful. a high muscle to fat ratio will improve your stength or power to weight, but that muscle must be trained to be powerful. you need to do some power specific training, such as the olympic lifts (snatch, clean, etc.), though some more specific movement pattern training will be more beneficial. i would suggest using medicine balls, cables and kettlebells if you can get hold of some and get someone to teach how to use them properly. simple plyometrics would be great, like clap pressups and scissor jumps, then more advanced stuff like a squat jump with medicine ball throw from chest.think about the movements you do in your sport, and then about how you can load them to make you stronger in those specific movements.

Certain sports and professions require extreme power to weight ratios. In the military and law enforcement the adequate P2W ratio is the difference between life and death. Athletes such as gymnasts, rock climbers, sprinters, and sport combatants at the most elite level have superior firepower in a leaner, meaner, frame. Any added weight had better increase power! Karate master Mas Oyama called any cosmetic size increase 'sukiyaki muscle'. "It did the animal you ate more good than it is doing you!"