Finding the Fourth Proportional to 444.13, 612.84 and 247.63
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Solution
The fourth proportional to 444.13, 612.84 and 247.63 is: 341.70
Step by Step Solution
- Step 1: Write the proportion equation
444.13 : 612.84 = 247.63 : x - Step 2: Convert to fraction form
444.13/612.84 = 247.63/x - Step 3: Cross multiply
444.13x = 612.84 × 247.63 - Step 4: Simplify right side
444.13x = 151,757.57 - Step 5: Solve for x
x = 151,757.57/444.13 - Step 6: Final answer
x = 341.70
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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.