Finding the Fourth Proportional to 237.29, 356.01 and 74.99
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Solution
The fourth proportional to 237.29, 356.01 and 74.99 is: 112.50
Step by Step Solution
- Step 1: Write the proportion equation
237.29 : 356.01 = 74.99 : x - Step 2: Convert to fraction form
237.29/356.01 = 74.99/x - Step 3: Cross multiply
237.29x = 356.01 × 74.99 - Step 4: Simplify right side
237.29x = 26,695.41 - Step 5: Solve for x
x = 26,695.41/237.29 - Step 6: Final answer
x = 112.50
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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.