Finding the Fourth Proportional to 202.92, 280.17 and 132.99
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Solution
The fourth proportional to 202.92, 280.17 and 132.99 is: 183.62
Step by Step Solution
- Step 1: Write the proportion equation
202.92 : 280.17 = 132.99 : x - Step 2: Convert to fraction form
202.92/280.17 = 132.99/x - Step 3: Cross multiply
202.92x = 280.17 × 132.99 - Step 4: Simplify right side
202.92x = 37,259.81 - Step 5: Solve for x
x = 37,259.81/202.92 - Step 6: Final answer
x = 183.62
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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.