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Finding the Fourth Proportional to 377.08, 565.62 and 247.90

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Solution

The fourth proportional to 377.08, 565.62 and 247.90 is: 371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.08 : 565.62 = 247.90 : x
  2. Step 2: Convert to fraction form
    377.08/565.62 = 247.90/x
  3. Step 3: Cross multiply
    377.08x = 565.62 × 247.90
  4. Step 4: Simplify right side
    377.08x = 140,215.78
  5. Step 5: Solve for x
    x = 140,215.78/377.08
  6. Step 6: Final answer
    x = 371.85

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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.