Finding the Fourth Proportional to 132.44, 198.98 and 117.08
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Solution
The fourth proportional to 132.44, 198.98 and 117.08 is: 175.90
Step by Step Solution
- Step 1: Write the proportion equation
132.44 : 198.98 = 117.08 : x - Step 2: Convert to fraction form
132.44/198.98 = 117.08/x - Step 3: Cross multiply
132.44x = 198.98 × 117.08 - Step 4: Simplify right side
132.44x = 23,296.58 - Step 5: Solve for x
x = 23,296.58/132.44 - Step 6: Final answer
x = 175.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.