我国第一艘载人飞船，神舟五号飞行轨道的近地点高度为200km，近地点高度与远地点高度的比是4：7，求它的远地点高度。

数学题解答：这是正比例应用题。

设远地点高度为X千米。

200:X=4:7

4X=200×7

X=200×7÷４

X=350

推荐阅读：
The Backspace String Compare Algorithm　 The Alien Dictionary Verification Algorithm　 How to Sum the Root To Leaf in Binary Numbers in a Binary Tree u　 Getting Known – How To Make Your Blog Into A Brand　 How To Charge Clients For Your Blogging Work　 The 5 Best Ways to Learn How to Improve Your Blog　 What You Need to Know About the Ghost Open Source Blogging Platf　 How to Build a Sustainable Business Out of Your Blog　 8 Reasons Your Travel Blog Isn’t Getting Enough Traffic　 5 Reasons to Add an E-Commerce Section to Your Blog