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Finding the Fourth Proportional to 635.93, 952.28 and 440.66

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Solution

The fourth proportional to 635.93, 952.28 and 440.66 is: 659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.93 : 952.28 = 440.66 : x
  2. Step 2: Convert to fraction form
    635.93/952.28 = 440.66/x
  3. Step 3: Cross multiply
    635.93x = 952.28 × 440.66
  4. Step 4: Simplify right side
    635.93x = 419,624.74
  5. Step 5: Solve for x
    x = 419,624.74/635.93
  6. Step 6: Final answer
    x = 659.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.