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Finding the Fourth Proportional to 634.67, 952.14 and 287.93

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Solution

The fourth proportional to 634.67, 952.14 and 287.93 is: 431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.67 : 952.14 = 287.93 : x
  2. Step 2: Convert to fraction form
    634.67/952.14 = 287.93/x
  3. Step 3: Cross multiply
    634.67x = 952.14 × 287.93
  4. Step 4: Simplify right side
    634.67x = 274,149.67
  5. Step 5: Solve for x
    x = 274,149.67/634.67
  6. Step 6: Final answer
    x = 431.96

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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.