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Finding the Fourth Proportional to 634.34, 950.91 and 325.50

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Solution

The fourth proportional to 634.34, 950.91 and 325.50 is: 487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.34 : 950.91 = 325.50 : x
  2. Step 2: Convert to fraction form
    634.34/950.91 = 325.50/x
  3. Step 3: Cross multiply
    634.34x = 950.91 × 325.50
  4. Step 4: Simplify right side
    634.34x = 309,524.77
  5. Step 5: Solve for x
    x = 309,524.77/634.34
  6. Step 6: Final answer
    x = 487.95

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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.