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Finding the Fourth Proportional to 323.81, 446.88 and 244.98

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Solution

The fourth proportional to 323.81, 446.88 and 244.98 is: 338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.81 : 446.88 = 244.98 : x
  2. Step 2: Convert to fraction form
    323.81/446.88 = 244.98/x
  3. Step 3: Cross multiply
    323.81x = 446.88 × 244.98
  4. Step 4: Simplify right side
    323.81x = 109,476.66
  5. Step 5: Solve for x
    x = 109,476.66/323.81
  6. Step 6: Final answer
    x = 338.09

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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.