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Finding the Fourth Proportional to 183.15, 252.38 and 133.19

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Solution

The fourth proportional to 183.15, 252.38 and 133.19 is: 183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.15 : 252.38 = 133.19 : x
  2. Step 2: Convert to fraction form
    183.15/252.38 = 133.19/x
  3. Step 3: Cross multiply
    183.15x = 252.38 × 133.19
  4. Step 4: Simplify right side
    183.15x = 33,612.56
  5. Step 5: Solve for x
    x = 33,612.56/183.15
  6. Step 6: Final answer
    x = 183.53

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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.