Finding the Fourth Proportional to 382.97, 574.58 and 163.65
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Solution
The fourth proportional to 382.97, 574.58 and 163.65 is: 245.53
Step by Step Solution
- Step 1: Write the proportion equation
382.97 : 574.58 = 163.65 : x - Step 2: Convert to fraction form
382.97/574.58 = 163.65/x - Step 3: Cross multiply
382.97x = 574.58 × 163.65 - Step 4: Simplify right side
382.97x = 94,029.20 - Step 5: Solve for x
x = 94,029.20/382.97 - Step 6: Final answer
x = 245.53
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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.