Finding the Fourth Proportional to 132.91, 198.99 and 93.87
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Solution
The fourth proportional to 132.91, 198.99 and 93.87 is: 140.54
Step by Step Solution
- Step 1: Write the proportion equation
132.91 : 198.99 = 93.87 : x - Step 2: Convert to fraction form
132.91/198.99 = 93.87/x - Step 3: Cross multiply
132.91x = 198.99 × 93.87 - Step 4: Simplify right side
132.91x = 18,679.19 - Step 5: Solve for x
x = 18,679.19/132.91 - Step 6: Final answer
x = 140.54
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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.