Finding the Fourth Proportional to 237.14, 355.17 and 140.75
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Solution
The fourth proportional to 237.14, 355.17 and 140.75 is: 210.80
Step by Step Solution
- Step 1: Write the proportion equation
237.14 : 355.17 = 140.75 : x - Step 2: Convert to fraction form
237.14/355.17 = 140.75/x - Step 3: Cross multiply
237.14x = 355.17 × 140.75 - Step 4: Simplify right side
237.14x = 49,990.18 - Step 5: Solve for x
x = 49,990.18/237.14 - Step 6: Final answer
x = 210.80
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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.