Finding the Fourth Proportional to 202.91, 280.11 and 132.97
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Solution
The fourth proportional to 202.91, 280.11 and 132.97 is: 183.56
Step by Step Solution
- Step 1: Write the proportion equation
202.91 : 280.11 = 132.97 : x - Step 2: Convert to fraction form
202.91/280.11 = 132.97/x - Step 3: Cross multiply
202.91x = 280.11 × 132.97 - Step 4: Simplify right side
202.91x = 37,246.23 - Step 5: Solve for x
x = 37,246.23/202.91 - Step 6: Final answer
x = 183.56
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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.