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Finding the Fourth Proportional to 251.79, 376.58 and 224.57

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Solution

The fourth proportional to 251.79, 376.58 and 224.57 is: 335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.79 : 376.58 = 224.57 : x
  2. Step 2: Convert to fraction form
    251.79/376.58 = 224.57/x
  3. Step 3: Cross multiply
    251.79x = 376.58 × 224.57
  4. Step 4: Simplify right side
    251.79x = 84,568.57
  5. Step 5: Solve for x
    x = 84,568.57/251.79
  6. Step 6: Final answer
    x = 335.87

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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.