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Finding the Fourth Proportional to 67.37, 101.12 and 52.19

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Solution

The fourth proportional to 67.37, 101.12 and 52.19 is: 78.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.37 : 101.12 = 52.19 : x
  2. Step 2: Convert to fraction form
    67.37/101.12 = 52.19/x
  3. Step 3: Cross multiply
    67.37x = 101.12 × 52.19
  4. Step 4: Simplify right side
    67.37x = 5,277.45
  5. Step 5: Solve for x
    x = 5,277.45/67.37
  6. Step 6: Final answer
    x = 78.34

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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.