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Finding the Fourth Proportional to 438.38, 604.97 and 241.91

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Solution

The fourth proportional to 438.38, 604.97 and 241.91 is: 333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    438.38 : 604.97 = 241.91 : x
  2. Step 2: Convert to fraction form
    438.38/604.97 = 241.91/x
  3. Step 3: Cross multiply
    438.38x = 604.97 × 241.91
  4. Step 4: Simplify right side
    438.38x = 146,344.06
  5. Step 5: Solve for x
    x = 146,344.06/438.38
  6. Step 6: Final answer
    x = 333.83

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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.