Finding the Fourth Proportional to 132.13, 182.22 and 82.99
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Solution
The fourth proportional to 132.13, 182.22 and 82.99 is: 114.45
Step by Step Solution
- Step 1: Write the proportion equation
132.13 : 182.22 = 82.99 : x - Step 2: Convert to fraction form
132.13/182.22 = 82.99/x - Step 3: Cross multiply
132.13x = 182.22 × 82.99 - Step 4: Simplify right side
132.13x = 15,122.44 - Step 5: Solve for x
x = 15,122.44/132.13 - Step 6: Final answer
x = 114.45
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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.