Finding the Fourth Proportional to 375.99, 563.91 and 132.49
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Solution
The fourth proportional to 375.99, 563.91 and 132.49 is: 198.70
Step by Step Solution
- Step 1: Write the proportion equation
375.99 : 563.91 = 132.49 : x - Step 2: Convert to fraction form
375.99/563.91 = 132.49/x - Step 3: Cross multiply
375.99x = 563.91 × 132.49 - Step 4: Simplify right side
375.99x = 74,709.62 - Step 5: Solve for x
x = 74,709.62/375.99 - Step 6: Final answer
x = 198.70
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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.