Finding the Fourth Proportional to 122.26, 183.21 and 95.26
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Solution
The fourth proportional to 122.26, 183.21 and 95.26 is: 142.75
Step by Step Solution
- Step 1: Write the proportion equation
122.26 : 183.21 = 95.26 : x - Step 2: Convert to fraction form
122.26/183.21 = 95.26/x - Step 3: Cross multiply
122.26x = 183.21 × 95.26 - Step 4: Simplify right side
122.26x = 17,452.58 - Step 5: Solve for x
x = 17,452.58/122.26 - Step 6: Final answer
x = 142.75
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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.