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Finding the Fourth Proportional to 92.01, 137.97 and 30.29

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Solution

The fourth proportional to 92.01, 137.97 and 30.29 is: 45.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.01 : 137.97 = 30.29 : x
  2. Step 2: Convert to fraction form
    92.01/137.97 = 30.29/x
  3. Step 3: Cross multiply
    92.01x = 137.97 × 30.29
  4. Step 4: Simplify right side
    92.01x = 4,178.42
  5. Step 5: Solve for x
    x = 4,178.42/92.01
  6. Step 6: Final answer
    x = 45.41

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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.