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Finding the Fourth Proportional to 381.44, 573.07 and 244.75

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Solution

The fourth proportional to 381.44, 573.07 and 244.75 is: 367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.44 : 573.07 = 244.75 : x
  2. Step 2: Convert to fraction form
    381.44/573.07 = 244.75/x
  3. Step 3: Cross multiply
    381.44x = 573.07 × 244.75
  4. Step 4: Simplify right side
    381.44x = 140,258.88
  5. Step 5: Solve for x
    x = 140,258.88/381.44
  6. Step 6: Final answer
    x = 367.71

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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.