Finding the Fourth Proportional to 254.13, 381.19 and 177.18
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Solution
The fourth proportional to 254.13, 381.19 and 177.18 is: 265.77
Step by Step Solution
- Step 1: Write the proportion equation
254.13 : 381.19 = 177.18 : x - Step 2: Convert to fraction form
254.13/381.19 = 177.18/x - Step 3: Cross multiply
254.13x = 381.19 × 177.18 - Step 4: Simplify right side
254.13x = 67,539.24 - Step 5: Solve for x
x = 67,539.24/254.13 - Step 6: Final answer
x = 265.77
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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.