Finding the Fourth Proportional to 355.13, 532.79 and 124.03
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Solution
The fourth proportional to 355.13, 532.79 and 124.03 is: 186.07
Step by Step Solution
- Step 1: Write the proportion equation
355.13 : 532.79 = 124.03 : x - Step 2: Convert to fraction form
355.13/532.79 = 124.03/x - Step 3: Cross multiply
355.13x = 532.79 × 124.03 - Step 4: Simplify right side
355.13x = 66,079.99 - Step 5: Solve for x
x = 66,079.99/355.13 - Step 6: Final answer
x = 186.07
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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.