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Finding the Fourth Proportional to 588.90, 881.43 and 331.62

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Solution

The fourth proportional to 588.90, 881.43 and 331.62 is: 496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.90 : 881.43 = 331.62 : x
  2. Step 2: Convert to fraction form
    588.90/881.43 = 331.62/x
  3. Step 3: Cross multiply
    588.90x = 881.43 × 331.62
  4. Step 4: Simplify right side
    588.90x = 292,299.82
  5. Step 5: Solve for x
    x = 292,299.82/588.90
  6. Step 6: Final answer
    x = 496.35

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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.