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Finding the Fourth Proportional to 134.05, 183.97 and 130.61

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Solution

The fourth proportional to 134.05, 183.97 and 130.61 is: 179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.05 : 183.97 = 130.61 : x
  2. Step 2: Convert to fraction form
    134.05/183.97 = 130.61/x
  3. Step 3: Cross multiply
    134.05x = 183.97 × 130.61
  4. Step 4: Simplify right side
    134.05x = 24,028.32
  5. Step 5: Solve for x
    x = 24,028.32/134.05
  6. Step 6: Final answer
    x = 179.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.