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Finding the Fourth Proportional to 633.38, 950.05 and 243.28

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Solution

The fourth proportional to 633.38, 950.05 and 243.28 is: 364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.38 : 950.05 = 243.28 : x
  2. Step 2: Convert to fraction form
    633.38/950.05 = 243.28/x
  3. Step 3: Cross multiply
    633.38x = 950.05 × 243.28
  4. Step 4: Simplify right side
    633.38x = 231,128.16
  5. Step 5: Solve for x
    x = 231,128.16/633.38
  6. Step 6: Final answer
    x = 364.91

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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.