Finding the Fourth Proportional to 444.20, 612.99 and 247.71
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Solution
The fourth proportional to 444.20, 612.99 and 247.71 is: 341.85
Step by Step Solution
- Step 1: Write the proportion equation
444.20 : 612.99 = 247.71 : x - Step 2: Convert to fraction form
444.20/612.99 = 247.71/x - Step 3: Cross multiply
444.20x = 612.99 × 247.71 - Step 4: Simplify right side
444.20x = 151,846.05 - Step 5: Solve for x
x = 151,846.05/444.20 - Step 6: Final answer
x = 341.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.