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Finding the Fourth Proportional to 351.04, 481.21 and 344.83

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Solution

The fourth proportional to 351.04, 481.21 and 344.83 is: 472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.04 : 481.21 = 344.83 : x
  2. Step 2: Convert to fraction form
    351.04/481.21 = 344.83/x
  3. Step 3: Cross multiply
    351.04x = 481.21 × 344.83
  4. Step 4: Simplify right side
    351.04x = 165,935.64
  5. Step 5: Solve for x
    x = 165,935.64/351.04
  6. Step 6: Final answer
    x = 472.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.