Finding the Fourth Proportional to 122.10, 183.14 and 41.03
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Solution
The fourth proportional to 122.10, 183.14 and 41.03 is: 61.54
Step by Step Solution
- Step 1: Write the proportion equation
122.10 : 183.14 = 41.03 : x - Step 2: Convert to fraction form
122.10/183.14 = 41.03/x - Step 3: Cross multiply
122.10x = 183.14 × 41.03 - Step 4: Simplify right side
122.10x = 7,514.23 - Step 5: Solve for x
x = 7,514.23/122.10 - Step 6: Final answer
x = 61.54
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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.