Finding the Fourth Proportional to 183.13, 252.92 and 124.81
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Solution
The fourth proportional to 183.13, 252.92 and 124.81 is: 172.37
Step by Step Solution
- Step 1: Write the proportion equation
183.13 : 252.92 = 124.81 : x - Step 2: Convert to fraction form
183.13/252.92 = 124.81/x - Step 3: Cross multiply
183.13x = 252.92 × 124.81 - Step 4: Simplify right side
183.13x = 31,565.68 - Step 5: Solve for x
x = 31,565.68/183.13 - Step 6: Final answer
x = 172.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.