Finding the Fourth Proportional to 379.44, 568.80 and 163.17
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Solution
The fourth proportional to 379.44, 568.80 and 163.17 is: 244.60
Step by Step Solution
- Step 1: Write the proportion equation
379.44 : 568.80 = 163.17 : x - Step 2: Convert to fraction form
379.44/568.80 = 163.17/x - Step 3: Cross multiply
379.44x = 568.80 × 163.17 - Step 4: Simplify right side
379.44x = 92,811.10 - Step 5: Solve for x
x = 92,811.10/379.44 - Step 6: Final answer
x = 244.60
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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.