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Finding the Fourth Proportional to 323.02, 445.92 and 244.35

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Solution

The fourth proportional to 323.02, 445.92 and 244.35 is: 337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.02 : 445.92 = 244.35 : x
  2. Step 2: Convert to fraction form
    323.02/445.92 = 244.35/x
  3. Step 3: Cross multiply
    323.02x = 445.92 × 244.35
  4. Step 4: Simplify right side
    323.02x = 108,959.64
  5. Step 5: Solve for x
    x = 108,959.64/323.02
  6. Step 6: Final answer
    x = 337.31

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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.