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Finding the Fourth Proportional to 440.98, 608.82 and 335.88

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Solution

The fourth proportional to 440.98, 608.82 and 335.88 is: 463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.98 : 608.82 = 335.88 : x
  2. Step 2: Convert to fraction form
    440.98/608.82 = 335.88/x
  3. Step 3: Cross multiply
    440.98x = 608.82 × 335.88
  4. Step 4: Simplify right side
    440.98x = 204,489.20
  5. Step 5: Solve for x
    x = 204,489.20/440.98
  6. Step 6: Final answer
    x = 463.72

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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.