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Finding the Fourth Proportional to 635.35, 952.87 and 173.11

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Solution

The fourth proportional to 635.35, 952.87 and 173.11 is: 259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.35 : 952.87 = 173.11 : x
  2. Step 2: Convert to fraction form
    635.35/952.87 = 173.11/x
  3. Step 3: Cross multiply
    635.35x = 952.87 × 173.11
  4. Step 4: Simplify right side
    635.35x = 164,945.70
  5. Step 5: Solve for x
    x = 164,945.70/635.35
  6. Step 6: Final answer
    x = 259.61

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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.