Finding the Fourth Proportional to 122.91, 184.26 and 44.79
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Solution
The fourth proportional to 122.91, 184.26 and 44.79 is: 67.15
Step by Step Solution
- Step 1: Write the proportion equation
122.91 : 184.26 = 44.79 : x - Step 2: Convert to fraction form
122.91/184.26 = 44.79/x - Step 3: Cross multiply
122.91x = 184.26 × 44.79 - Step 4: Simplify right side
122.91x = 8,253.01 - Step 5: Solve for x
x = 8,253.01/122.91 - Step 6: Final answer
x = 67.15
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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.