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Finding the Fourth Proportional to 323.33, 446.24 and 240.84

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Solution

The fourth proportional to 323.33, 446.24 and 240.84 is: 332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.33 : 446.24 = 240.84 : x
  2. Step 2: Convert to fraction form
    323.33/446.24 = 240.84/x
  3. Step 3: Cross multiply
    323.33x = 446.24 × 240.84
  4. Step 4: Simplify right side
    323.33x = 107,473.04
  5. Step 5: Solve for x
    x = 107,473.04/323.33
  6. Step 6: Final answer
    x = 332.40

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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.