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Finding the Fourth Proportional to 633.42, 951.09 and 437.94

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Solution

The fourth proportional to 633.42, 951.09 and 437.94 is: 657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.42 : 951.09 = 437.94 : x
  2. Step 2: Convert to fraction form
    633.42/951.09 = 437.94/x
  3. Step 3: Cross multiply
    633.42x = 951.09 × 437.94
  4. Step 4: Simplify right side
    633.42x = 416,520.35
  5. Step 5: Solve for x
    x = 416,520.35/633.42
  6. Step 6: Final answer
    x = 657.57

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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.