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Finding the Fourth Proportional to 592.56, 888.94 and 387.22

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Solution

The fourth proportional to 592.56, 888.94 and 387.22 is: 580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.56 : 888.94 = 387.22 : x
  2. Step 2: Convert to fraction form
    592.56/888.94 = 387.22/x
  3. Step 3: Cross multiply
    592.56x = 888.94 × 387.22
  4. Step 4: Simplify right side
    592.56x = 344,215.35
  5. Step 5: Solve for x
    x = 344,215.35/592.56
  6. Step 6: Final answer
    x = 580.90

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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.