Finding the Fourth Proportional to 375.70, 563.61 and 132.20
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Solution
The fourth proportional to 375.70, 563.61 and 132.20 is: 198.32
Step by Step Solution
- Step 1: Write the proportion equation
375.70 : 563.61 = 132.20 : x - Step 2: Convert to fraction form
375.70/563.61 = 132.20/x - Step 3: Cross multiply
375.70x = 563.61 × 132.20 - Step 4: Simplify right side
375.70x = 74,509.24 - Step 5: Solve for x
x = 74,509.24/375.70 - Step 6: Final answer
x = 198.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.