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Finding the Fourth Proportional to 34.87, 51.97 and 34.59

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Solution

The fourth proportional to 34.87, 51.97 and 34.59 is: 51.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.87 : 51.97 = 34.59 : x
  2. Step 2: Convert to fraction form
    34.87/51.97 = 34.59/x
  3. Step 3: Cross multiply
    34.87x = 51.97 × 34.59
  4. Step 4: Simplify right side
    34.87x = 1,797.47
  5. Step 5: Solve for x
    x = 1,797.47/34.87
  6. Step 6: Final answer
    x = 51.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.