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Finding the Fourth Proportional to 183.08, 252.55 and 133.85

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Solution

The fourth proportional to 183.08, 252.55 and 133.85 is: 184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.08 : 252.55 = 133.85 : x
  2. Step 2: Convert to fraction form
    183.08/252.55 = 133.85/x
  3. Step 3: Cross multiply
    183.08x = 252.55 × 133.85
  4. Step 4: Simplify right side
    183.08x = 33,803.82
  5. Step 5: Solve for x
    x = 33,803.82/183.08
  6. Step 6: Final answer
    x = 184.64

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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.