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.
The USDA reports that sedentary men burn â and therefore should consume -- 2,000 to 2,600 calories each day to maintain a healthy body weight. However, this general guideline varies slightly by age group: Men ages 19 to 30 burn 2,400 to 2,600 calories daily. Men between the ages of 31 and 50 burn 2,200 to 2,400 calories.