Finding the Fourth Proportional to 292.62, 439.19 and 247.00
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Solution
The fourth proportional to 292.62, 439.19 and 247.00 is: 370.72
Step by Step Solution
- Step 1: Write the proportion equation
292.62 : 439.19 = 247.00 : x - Step 2: Convert to fraction form
292.62/439.19 = 247.00/x - Step 3: Cross multiply
292.62x = 439.19 × 247.00 - Step 4: Simplify right side
292.62x = 108,479.24 - Step 5: Solve for x
x = 108,479.24/292.62 - Step 6: Final answer
x = 370.72
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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.