Finding the Fourth Proportional to 168.64, 252.99 and 58.92
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Solution
The fourth proportional to 168.64, 252.99 and 58.92 is: 88.39
Step by Step Solution
- Step 1: Write the proportion equation
168.64 : 252.99 = 58.92 : x - Step 2: Convert to fraction form
168.64/252.99 = 58.92/x - Step 3: Cross multiply
168.64x = 252.99 × 58.92 - Step 4: Simplify right side
168.64x = 14,906.17 - Step 5: Solve for x
x = 14,906.17/168.64 - Step 6: Final answer
x = 88.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.