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Finding the Fourth Proportional to 440.57, 608.04 and 335.48

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Solution

The fourth proportional to 440.57, 608.04 and 335.48 is: 462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.57 : 608.04 = 335.48 : x
  2. Step 2: Convert to fraction form
    440.57/608.04 = 335.48/x
  3. Step 3: Cross multiply
    440.57x = 608.04 × 335.48
  4. Step 4: Simplify right side
    440.57x = 203,982.22
  5. Step 5: Solve for x
    x = 203,982.22/440.57
  6. Step 6: Final answer
    x = 462.99

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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.