Finding the Fourth Proportional to 379.26, 568.80 and 162.99
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Solution
The fourth proportional to 379.26, 568.80 and 162.99 is: 244.45
Step by Step Solution
- Step 1: Write the proportion equation
379.26 : 568.80 = 162.99 : x - Step 2: Convert to fraction form
379.26/568.80 = 162.99/x - Step 3: Cross multiply
379.26x = 568.80 × 162.99 - Step 4: Simplify right side
379.26x = 92,708.71 - Step 5: Solve for x
x = 92,708.71/379.26 - Step 6: Final answer
x = 244.45
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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.