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Finding the Fourth Proportional to 634.66, 952.27 and 403.49

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Solution

The fourth proportional to 634.66, 952.27 and 403.49 is: 605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.66 : 952.27 = 403.49 : x
  2. Step 2: Convert to fraction form
    634.66/952.27 = 403.49/x
  3. Step 3: Cross multiply
    634.66x = 952.27 × 403.49
  4. Step 4: Simplify right side
    634.66x = 384,226.66
  5. Step 5: Solve for x
    x = 384,226.66/634.66
  6. Step 6: Final answer
    x = 605.41

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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.