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Finding the Fourth Proportional to 344.43, 474.39 and 327.96

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Solution

The fourth proportional to 344.43, 474.39 and 327.96 is: 451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.43 : 474.39 = 327.96 : x
  2. Step 2: Convert to fraction form
    344.43/474.39 = 327.96/x
  3. Step 3: Cross multiply
    344.43x = 474.39 × 327.96
  4. Step 4: Simplify right side
    344.43x = 155,580.94
  5. Step 5: Solve for x
    x = 155,580.94/344.43
  6. Step 6: Final answer
    x = 451.71

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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.