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Finding the Fourth Proportional to 583.43, 875.19 and 254.46

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Solution

The fourth proportional to 583.43, 875.19 and 254.46 is: 381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.43 : 875.19 = 254.46 : x
  2. Step 2: Convert to fraction form
    583.43/875.19 = 254.46/x
  3. Step 3: Cross multiply
    583.43x = 875.19 × 254.46
  4. Step 4: Simplify right side
    583.43x = 222,700.85
  5. Step 5: Solve for x
    x = 222,700.85/583.43
  6. Step 6: Final answer
    x = 381.71

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Double scale
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Similar ratio
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1.5x scale

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.