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Finding the Fourth Proportional to 348.43, 481.46 and 250.02

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Solution

The fourth proportional to 348.43, 481.46 and 250.02 is: 345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.43 : 481.46 = 250.02 : x
  2. Step 2: Convert to fraction form
    348.43/481.46 = 250.02/x
  3. Step 3: Cross multiply
    348.43x = 481.46 × 250.02
  4. Step 4: Simplify right side
    348.43x = 120,372.22
  5. Step 5: Solve for x
    x = 120,372.22/348.43
  6. Step 6: Final answer
    x = 345.47

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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.