Finding the Fourth Proportional to 481.08, 721.09 and 207.03
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Solution
The fourth proportional to 481.08, 721.09 and 207.03 is: 310.32
Step by Step Solution
- Step 1: Write the proportion equation
481.08 : 721.09 = 207.03 : x - Step 2: Convert to fraction form
481.08/721.09 = 207.03/x - Step 3: Cross multiply
481.08x = 721.09 × 207.03 - Step 4: Simplify right side
481.08x = 149,287.26 - Step 5: Solve for x
x = 149,287.26/481.08 - Step 6: Final answer
x = 310.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.