Finding the Fourth Proportional to 237.19, 355.73 and 107.17
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Solution
The fourth proportional to 237.19, 355.73 and 107.17 is: 160.73
Step by Step Solution
- Step 1: Write the proportion equation
237.19 : 355.73 = 107.17 : x - Step 2: Convert to fraction form
237.19/355.73 = 107.17/x - Step 3: Cross multiply
237.19x = 355.73 × 107.17 - Step 4: Simplify right side
237.19x = 38,122.96 - Step 5: Solve for x
x = 38,122.96/237.19 - Step 6: Final answer
x = 160.73
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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.