Finding the Fourth Proportional to 132.17, 198.11 and 63.63
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Solution
The fourth proportional to 132.17, 198.11 and 63.63 is: 95.38
Step by Step Solution
- Step 1: Write the proportion equation
132.17 : 198.11 = 63.63 : x - Step 2: Convert to fraction form
132.17/198.11 = 63.63/x - Step 3: Cross multiply
132.17x = 198.11 × 63.63 - Step 4: Simplify right side
132.17x = 12,605.42 - Step 5: Solve for x
x = 12,605.42/132.17 - Step 6: Final answer
x = 95.38
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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.