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Finding the Fourth Proportional to 636.01, 951.85 and 361.69

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Solution

The fourth proportional to 636.01, 951.85 and 361.69 is: 541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.01 : 951.85 = 361.69 : x
  2. Step 2: Convert to fraction form
    636.01/951.85 = 361.69/x
  3. Step 3: Cross multiply
    636.01x = 951.85 × 361.69
  4. Step 4: Simplify right side
    636.01x = 344,272.70
  5. Step 5: Solve for x
    x = 344,272.70/636.01
  6. Step 6: Final answer
    x = 541.30

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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.