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Finding the Fourth Proportional to 621.39, 927.37 and 596.28

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Solution

The fourth proportional to 621.39, 927.37 and 596.28 is: 889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.39 : 927.37 = 596.28 : x
  2. Step 2: Convert to fraction form
    621.39/927.37 = 596.28/x
  3. Step 3: Cross multiply
    621.39x = 927.37 × 596.28
  4. Step 4: Simplify right side
    621.39x = 552,964.57
  5. Step 5: Solve for x
    x = 552,964.57/621.39
  6. Step 6: Final answer
    x = 889.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.