Finding the Fourth Proportional to 481.10, 721.36 and 246.69
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Solution
The fourth proportional to 481.10, 721.36 and 246.69 is: 369.89
Step by Step Solution
- Step 1: Write the proportion equation
481.10 : 721.36 = 246.69 : x - Step 2: Convert to fraction form
481.10/721.36 = 246.69/x - Step 3: Cross multiply
481.10x = 721.36 × 246.69 - Step 4: Simplify right side
481.10x = 177,952.30 - Step 5: Solve for x
x = 177,952.30/481.10 - Step 6: Final answer
x = 369.89
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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.