Finding the Fourth Proportional to 481.71, 722.57 and 237.99
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Solution
The fourth proportional to 481.71, 722.57 and 237.99 is: 356.99
Step by Step Solution
- Step 1: Write the proportion equation
481.71 : 722.57 = 237.99 : x - Step 2: Convert to fraction form
481.71/722.57 = 237.99/x - Step 3: Cross multiply
481.71x = 722.57 × 237.99 - Step 4: Simplify right side
481.71x = 171,963.24 - Step 5: Solve for x
x = 171,963.24/481.71 - Step 6: Final answer
x = 356.99
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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.