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Finding the Fourth Proportional to 633.54, 950.38 and 217.16

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Solution

The fourth proportional to 633.54, 950.38 and 217.16 is: 325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.54 : 950.38 = 217.16 : x
  2. Step 2: Convert to fraction form
    633.54/950.38 = 217.16/x
  3. Step 3: Cross multiply
    633.54x = 950.38 × 217.16
  4. Step 4: Simplify right side
    633.54x = 206,384.52
  5. Step 5: Solve for x
    x = 206,384.52/633.54
  6. Step 6: Final answer
    x = 325.76

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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.