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Finding the Fourth Proportional to 621.91, 926.49 and 593.83

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Solution

The fourth proportional to 621.91, 926.49 and 593.83 is: 884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.91 : 926.49 = 593.83 : x
  2. Step 2: Convert to fraction form
    621.91/926.49 = 593.83/x
  3. Step 3: Cross multiply
    621.91x = 926.49 × 593.83
  4. Step 4: Simplify right side
    621.91x = 550,177.56
  5. Step 5: Solve for x
    x = 550,177.56/621.91
  6. Step 6: Final answer
    x = 884.66

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Double scale
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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.