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：
5 Ways to Get More Passive Income for your Blog　 4 Useful Website Building Tips for the Rookie Blogger　 Do You Know How To Keep Your WordPress Site Safe?　 Blogger Disgraced After Making Profits Off Of Cancer Scam　 5 Incredibly Powerful Ways to Improve Your Blog Writing　 Must-Read Books For Freelancing Success　 Do You Know The Top Web Hosting and SEO Trends For 2016?　 8 Ways Bloggers Can Make Money on the Side　 How Bloggers Can Survive This Economic Recession　 How to Target your Audience Right? Use Segmentation