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Finding the Fourth Proportional to 534.36, 737.20 and 301.44

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Solution

The fourth proportional to 534.36, 737.20 and 301.44 is: 415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.36 : 737.20 = 301.44 : x
  2. Step 2: Convert to fraction form
    534.36/737.20 = 301.44/x
  3. Step 3: Cross multiply
    534.36x = 737.20 × 301.44
  4. Step 4: Simplify right side
    534.36x = 222,221.57
  5. Step 5: Solve for x
    x = 222,221.57/534.36
  6. Step 6: Final answer
    x = 415.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.