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Finding the Fourth Proportional to 293.44, 439.74 and 252.13

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Solution

The fourth proportional to 293.44, 439.74 and 252.13 is: 377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.44 : 439.74 = 252.13 : x
  2. Step 2: Convert to fraction form
    293.44/439.74 = 252.13/x
  3. Step 3: Cross multiply
    293.44x = 439.74 × 252.13
  4. Step 4: Simplify right side
    293.44x = 110,871.65
  5. Step 5: Solve for x
    x = 110,871.65/293.44
  6. Step 6: Final answer
    x = 377.83

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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.