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Finding the Fourth Proportional to 377.39, 562.56 and 356.87

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Solution

The fourth proportional to 377.39, 562.56 and 356.87 is: 531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.39 : 562.56 = 356.87 : x
  2. Step 2: Convert to fraction form
    377.39/562.56 = 356.87/x
  3. Step 3: Cross multiply
    377.39x = 562.56 × 356.87
  4. Step 4: Simplify right side
    377.39x = 200,757.97
  5. Step 5: Solve for x
    x = 200,757.97/377.39
  6. Step 6: Final answer
    x = 531.97

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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.