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Finding the Fourth Proportional to 951.34, 1,426.34 and 365.85

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Solution

The fourth proportional to 951.34, 1,426.34 and 365.85 is: 548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.34 : 1,426.34 = 365.85 : x
  2. Step 2: Convert to fraction form
    951.34/1,426.34 = 365.85/x
  3. Step 3: Cross multiply
    951.34x = 1,426.34 × 365.85
  4. Step 4: Simplify right side
    951.34x = 521,822.79
  5. Step 5: Solve for x
    x = 521,822.79/951.34
  6. Step 6: Final answer
    x = 548.51

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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.