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Finding the Fourth Proportional to 588.41, 883.16 and 280.47

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Solution

The fourth proportional to 588.41, 883.16 and 280.47 is: 420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.41 : 883.16 = 280.47 : x
  2. Step 2: Convert to fraction form
    588.41/883.16 = 280.47/x
  3. Step 3: Cross multiply
    588.41x = 883.16 × 280.47
  4. Step 4: Simplify right side
    588.41x = 247,698.48
  5. Step 5: Solve for x
    x = 247,698.48/588.41
  6. Step 6: Final answer
    x = 420.97

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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.