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Finding the Fourth Proportional to 67.27, 92.83 and 37.77

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Solution

The fourth proportional to 67.27, 92.83 and 37.77 is: 52.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.27 : 92.83 = 37.77 : x
  2. Step 2: Convert to fraction form
    67.27/92.83 = 37.77/x
  3. Step 3: Cross multiply
    67.27x = 92.83 × 37.77
  4. Step 4: Simplify right side
    67.27x = 3,506.27
  5. Step 5: Solve for x
    x = 3,506.27/67.27
  6. Step 6: Final answer
    x = 52.12

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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.