Finding the Fourth Proportional to 375.99, 563.84 and 129.12
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Solution
The fourth proportional to 375.99, 563.84 and 129.12 is: 193.63
Step by Step Solution
- Step 1: Write the proportion equation
375.99 : 563.84 = 129.12 : x - Step 2: Convert to fraction form
375.99/563.84 = 129.12/x - Step 3: Cross multiply
375.99x = 563.84 × 129.12 - Step 4: Simplify right side
375.99x = 72,803.31 - Step 5: Solve for x
x = 72,803.31/375.99 - Step 6: Final answer
x = 193.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.