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Finding the Fourth Proportional to 588.36, 881.46 and 458.76

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Solution

The fourth proportional to 588.36, 881.46 and 458.76 is: 687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.36 : 881.46 = 458.76 : x
  2. Step 2: Convert to fraction form
    588.36/881.46 = 458.76/x
  3. Step 3: Cross multiply
    588.36x = 881.46 × 458.76
  4. Step 4: Simplify right side
    588.36x = 404,378.59
  5. Step 5: Solve for x
    x = 404,378.59/588.36
  6. Step 6: Final answer
    x = 687.30

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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.