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Finding the Fourth Proportional to 635.03, 952.27 and 403.71

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Solution

The fourth proportional to 635.03, 952.27 and 403.71 is: 605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.03 : 952.27 = 403.71 : x
  2. Step 2: Convert to fraction form
    635.03/952.27 = 403.71/x
  3. Step 3: Cross multiply
    635.03x = 952.27 × 403.71
  4. Step 4: Simplify right side
    635.03x = 384,440.92
  5. Step 5: Solve for x
    x = 384,440.92/635.03
  6. Step 6: Final answer
    x = 605.39

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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.