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Finding the Fourth Proportional to 567.39, 851.04 and 242.49

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Solution

The fourth proportional to 567.39, 851.04 and 242.49 is: 363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.39 : 851.04 = 242.49 : x
  2. Step 2: Convert to fraction form
    567.39/851.04 = 242.49/x
  3. Step 3: Cross multiply
    567.39x = 851.04 × 242.49
  4. Step 4: Simplify right side
    567.39x = 206,368.69
  5. Step 5: Solve for x
    x = 206,368.69/567.39
  6. Step 6: Final answer
    x = 363.72

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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.