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Finding the Fourth Proportional to 183.20, 274.26 and 135.32

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Solution

The fourth proportional to 183.20, 274.26 and 135.32 is: 202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.20 : 274.26 = 135.32 : x
  2. Step 2: Convert to fraction form
    183.20/274.26 = 135.32/x
  3. Step 3: Cross multiply
    183.20x = 274.26 × 135.32
  4. Step 4: Simplify right side
    183.20x = 37,112.86
  5. Step 5: Solve for x
    x = 37,112.86/183.20
  6. Step 6: Final answer
    x = 202.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.