Finding the Fourth Proportional to 252.92, 379.44 and 122.96
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Solution
The fourth proportional to 252.92, 379.44 and 122.96 is: 184.47
Step by Step Solution
- Step 1: Write the proportion equation
252.92 : 379.44 = 122.96 : x - Step 2: Convert to fraction form
252.92/379.44 = 122.96/x - Step 3: Cross multiply
252.92x = 379.44 × 122.96 - Step 4: Simplify right side
252.92x = 46,655.94 - Step 5: Solve for x
x = 46,655.94/252.92 - Step 6: Final answer
x = 184.47
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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.