Finding the Fourth Proportional to 132.96, 199.16 and 84.62
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Solution
The fourth proportional to 132.96, 199.16 and 84.62 is: 126.75
Step by Step Solution
- Step 1: Write the proportion equation
132.96 : 199.16 = 84.62 : x - Step 2: Convert to fraction form
132.96/199.16 = 84.62/x - Step 3: Cross multiply
132.96x = 199.16 × 84.62 - Step 4: Simplify right side
132.96x = 16,852.92 - Step 5: Solve for x
x = 16,852.92/132.96 - Step 6: Final answer
x = 126.75
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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.