Finding the Fourth Proportional to 237.17, 355.97 and 121.69
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Solution
The fourth proportional to 237.17, 355.97 and 121.69 is: 182.65
Step by Step Solution
- Step 1: Write the proportion equation
237.17 : 355.97 = 121.69 : x - Step 2: Convert to fraction form
237.17/355.97 = 121.69/x - Step 3: Cross multiply
237.17x = 355.97 × 121.69 - Step 4: Simplify right side
237.17x = 43,317.99 - Step 5: Solve for x
x = 43,317.99/237.17 - Step 6: Final answer
x = 182.65
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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.