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Finding the Fourth Proportional to 34.37, 51.49 and 27.95

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Solution

The fourth proportional to 34.37, 51.49 and 27.95 is: 41.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.37 : 51.49 = 27.95 : x
  2. Step 2: Convert to fraction form
    34.37/51.49 = 27.95/x
  3. Step 3: Cross multiply
    34.37x = 51.49 × 27.95
  4. Step 4: Simplify right side
    34.37x = 1,438.77
  5. Step 5: Solve for x
    x = 1,438.77/34.37
  6. Step 6: Final answer
    x = 41.86

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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.