Finding the Fourth Proportional to 237.30, 355.91 and 63.99
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Solution
The fourth proportional to 237.30, 355.91 and 63.99 is: 95.97
Step by Step Solution
- Step 1: Write the proportion equation
237.30 : 355.91 = 63.99 : x - Step 2: Convert to fraction form
237.30/355.91 = 63.99/x - Step 3: Cross multiply
237.30x = 355.91 × 63.99 - Step 4: Simplify right side
237.30x = 22,774.68 - Step 5: Solve for x
x = 22,774.68/237.30 - Step 6: Final answer
x = 95.97
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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.