Finding the Fourth Proportional to 132.44, 182.60 and 120.92
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Solution
The fourth proportional to 132.44, 182.60 and 120.92 is: 166.72
Step by Step Solution
- Step 1: Write the proportion equation
132.44 : 182.60 = 120.92 : x - Step 2: Convert to fraction form
132.44/182.60 = 120.92/x - Step 3: Cross multiply
132.44x = 182.60 × 120.92 - Step 4: Simplify right side
132.44x = 22,079.99 - Step 5: Solve for x
x = 22,079.99/132.44 - Step 6: Final answer
x = 166.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.