Finding the Fourth Proportional to 263.70, 394.74 and 224.91
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Solution
The fourth proportional to 263.70, 394.74 and 224.91 is: 336.67
Step by Step Solution
- Step 1: Write the proportion equation
263.70 : 394.74 = 224.91 : x - Step 2: Convert to fraction form
263.70/394.74 = 224.91/x - Step 3: Cross multiply
263.70x = 394.74 × 224.91 - Step 4: Simplify right side
263.70x = 88,780.97 - Step 5: Solve for x
x = 88,780.97/263.70 - Step 6: Final answer
x = 336.67
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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.