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Finding the Fourth Proportional to 440.97, 608.43 and 336.03

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Solution

The fourth proportional to 440.97, 608.43 and 336.03 is: 463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.97 : 608.43 = 336.03 : x
  2. Step 2: Convert to fraction form
    440.97/608.43 = 336.03/x
  3. Step 3: Cross multiply
    440.97x = 608.43 × 336.03
  4. Step 4: Simplify right side
    440.97x = 204,450.73
  5. Step 5: Solve for x
    x = 204,450.73/440.97
  6. Step 6: Final answer
    x = 463.64

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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.