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Finding the Fourth Proportional to 323.08, 445.90 and 183.26

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Solution

The fourth proportional to 323.08, 445.90 and 183.26 is: 252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.08 : 445.90 = 183.26 : x
  2. Step 2: Convert to fraction form
    323.08/445.90 = 183.26/x
  3. Step 3: Cross multiply
    323.08x = 445.90 × 183.26
  4. Step 4: Simplify right side
    323.08x = 81,712.95
  5. Step 5: Solve for x
    x = 81,712.95/323.08
  6. Step 6: Final answer
    x = 252.92

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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.