Finding the Fourth Proportional to 132.60, 198.77 and 93.99
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Solution
The fourth proportional to 132.60, 198.77 and 93.99 is: 140.89
Step by Step Solution
- Step 1: Write the proportion equation
132.60 : 198.77 = 93.99 : x - Step 2: Convert to fraction form
132.60/198.77 = 93.99/x - Step 3: Cross multiply
132.60x = 198.77 × 93.99 - Step 4: Simplify right side
132.60x = 18,681.92 - Step 5: Solve for x
x = 18,681.92/132.60 - Step 6: Final answer
x = 140.89
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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.