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Finding the Fourth Proportional to 293.46, 439.19 and 251.22

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Solution

The fourth proportional to 293.46, 439.19 and 251.22 is: 375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.46 : 439.19 = 251.22 : x
  2. Step 2: Convert to fraction form
    293.46/439.19 = 251.22/x
  3. Step 3: Cross multiply
    293.46x = 439.19 × 251.22
  4. Step 4: Simplify right side
    293.46x = 110,333.31
  5. Step 5: Solve for x
    x = 110,333.31/293.46
  6. Step 6: Final answer
    x = 375.97

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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.