Finding the Fourth Proportional to 382.99, 573.72 and 177.28
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Solution
The fourth proportional to 382.99, 573.72 and 177.28 is: 265.57
Step by Step Solution
- Step 1: Write the proportion equation
382.99 : 573.72 = 177.28 : x - Step 2: Convert to fraction form
382.99/573.72 = 177.28/x - Step 3: Cross multiply
382.99x = 573.72 × 177.28 - Step 4: Simplify right side
382.99x = 101,709.08 - Step 5: Solve for x
x = 101,709.08/382.99 - Step 6: Final answer
x = 265.57
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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.