Finding the Fourth Proportional to 122.26, 183.33 and 41.08
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Solution
The fourth proportional to 122.26, 183.33 and 41.08 is: 61.60
Step by Step Solution
- Step 1: Write the proportion equation
122.26 : 183.33 = 41.08 : x - Step 2: Convert to fraction form
122.26/183.33 = 41.08/x - Step 3: Cross multiply
122.26x = 183.33 × 41.08 - Step 4: Simplify right side
122.26x = 7,531.20 - Step 5: Solve for x
x = 7,531.20/122.26 - Step 6: Final answer
x = 61.60
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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.