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Finding the Fourth Proportional to 276.41, 379.41 and 244.64

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Solution

The fourth proportional to 276.41, 379.41 and 244.64 is: 335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.41 : 379.41 = 244.64 : x
  2. Step 2: Convert to fraction form
    276.41/379.41 = 244.64/x
  3. Step 3: Cross multiply
    276.41x = 379.41 × 244.64
  4. Step 4: Simplify right side
    276.41x = 92,817.88
  5. Step 5: Solve for x
    x = 92,817.88/276.41
  6. Step 6: Final answer
    x = 335.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.