To find a rational number between 5 and 514, we can choose any number that falls within this range.
One easy choice is to take the average of the two numbers:
259.5 is a rational number and it is between 5 and 514.
However, if you are looking for a specific rational number from the options you provided, those options (5, 1, 4) are not between 5 and 514 since 5 is not included in the range and 1 and 4 are both less than 5.
If you need a rational number between 5 and 514, you can also consider any other number in that range, such as 6, 100, or 500.