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Finding the Fourth Proportional to 634.97, 952.98 and 270.03

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Solution

The fourth proportional to 634.97, 952.98 and 270.03 is: 405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.97 : 952.98 = 270.03 : x
  2. Step 2: Convert to fraction form
    634.97/952.98 = 270.03/x
  3. Step 3: Cross multiply
    634.97x = 952.98 × 270.03
  4. Step 4: Simplify right side
    634.97x = 257,333.19
  5. Step 5: Solve for x
    x = 257,333.19/634.97
  6. Step 6: Final answer
    x = 405.27

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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.