There is a three-digit number. The number in the hundreds place is 1/2 of the number in the tens place. The ratio of the number in the tens place to the ones place is 3:4. What is the three-digit number?
有一个三位数，百位上的数字是十位上数字的(1/2)，十位上的数字与个位上的比是3：4，这个三位数是多少？
<result>368</result>