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Finding the Fourth Proportional to 67.32, 101.43 and 58.44

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Solution

The fourth proportional to 67.32, 101.43 and 58.44 is: 88.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.32 : 101.43 = 58.44 : x
  2. Step 2: Convert to fraction form
    67.32/101.43 = 58.44/x
  3. Step 3: Cross multiply
    67.32x = 101.43 × 58.44
  4. Step 4: Simplify right side
    67.32x = 5,927.57
  5. Step 5: Solve for x
    x = 5,927.57/67.32
  6. Step 6: Final answer
    x = 88.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.