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Finding the Fourth Proportional to 348.48, 481.52 and 250.56

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Solution

The fourth proportional to 348.48, 481.52 and 250.56 is: 346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.48 : 481.52 = 250.56 : x
  2. Step 2: Convert to fraction form
    348.48/481.52 = 250.56/x
  3. Step 3: Cross multiply
    348.48x = 481.52 × 250.56
  4. Step 4: Simplify right side
    348.48x = 120,649.65
  5. Step 5: Solve for x
    x = 120,649.65/348.48
  6. Step 6: Final answer
    x = 346.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.