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Finding the Fourth Proportional to 323.82, 446.86 and 183.96

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Solution

The fourth proportional to 323.82, 446.86 and 183.96 is: 253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.82 : 446.86 = 183.96 : x
  2. Step 2: Convert to fraction form
    323.82/446.86 = 183.96/x
  3. Step 3: Cross multiply
    323.82x = 446.86 × 183.96
  4. Step 4: Simplify right side
    323.82x = 82,203.45
  5. Step 5: Solve for x
    x = 82,203.45/323.82
  6. Step 6: Final answer
    x = 253.86

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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.