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Finding the Fourth Proportional to 635.43, 952.03 and 489.03

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Solution

The fourth proportional to 635.43, 952.03 and 489.03 is: 732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.43 : 952.03 = 489.03 : x
  2. Step 2: Convert to fraction form
    635.43/952.03 = 489.03/x
  3. Step 3: Cross multiply
    635.43x = 952.03 × 489.03
  4. Step 4: Simplify right side
    635.43x = 465,571.23
  5. Step 5: Solve for x
    x = 465,571.23/635.43
  6. Step 6: Final answer
    x = 732.69

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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.