Finding the Fourth Proportional to 122.17, 183.30 and 41.02
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Solution
The fourth proportional to 122.17, 183.30 and 41.02 is: 61.55
Step by Step Solution
- Step 1: Write the proportion equation
122.17 : 183.30 = 41.02 : x - Step 2: Convert to fraction form
122.17/183.30 = 41.02/x - Step 3: Cross multiply
122.17x = 183.30 × 41.02 - Step 4: Simplify right side
122.17x = 7,518.97 - Step 5: Solve for x
x = 7,518.97/122.17 - Step 6: Final answer
x = 61.55
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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.