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Finding the Fourth Proportional to 183.34, 252.81 and 134.20

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Solution

The fourth proportional to 183.34, 252.81 and 134.20 is: 185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.34 : 252.81 = 134.20 : x
  2. Step 2: Convert to fraction form
    183.34/252.81 = 134.20/x
  3. Step 3: Cross multiply
    183.34x = 252.81 × 134.20
  4. Step 4: Simplify right side
    183.34x = 33,927.10
  5. Step 5: Solve for x
    x = 33,927.10/183.34
  6. Step 6: Final answer
    x = 185.05

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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.