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Finding the Fourth Proportional to 183.39, 252.75 and 130.95

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Solution

The fourth proportional to 183.39, 252.75 and 130.95 is: 180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.39 : 252.75 = 130.95 : x
  2. Step 2: Convert to fraction form
    183.39/252.75 = 130.95/x
  3. Step 3: Cross multiply
    183.39x = 252.75 × 130.95
  4. Step 4: Simplify right side
    183.39x = 33,097.61
  5. Step 5: Solve for x
    x = 33,097.61/183.39
  6. Step 6: Final answer
    x = 180.48

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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.