1. of, involving, or being in proportion. 2. (Mathematics) maths having or related by a constant ratio. n. (Mathematics) maths an unknown term in a proportion: in a/b = c/x, x is the fourth proportional.
Recommended daily calorie intakes in the US are 2,700 for men and 2,200 for women. Eating a big breakfast could help with weight reduction and maintenance. When food is eaten may matter as much as what and how many calories are eaten.
According to WebMD, the number of calories a person should consume per day ranges from 1,800 to 3,000 calories, based on age, gender and daily activities. In general, men require more calories than women due to their larger size.