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Finding the Fourth Proportional to 183.15, 252.59 and 146.30

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Solution

The fourth proportional to 183.15, 252.59 and 146.30 is: 201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.15 : 252.59 = 146.30 : x
  2. Step 2: Convert to fraction form
    183.15/252.59 = 146.30/x
  3. Step 3: Cross multiply
    183.15x = 252.59 × 146.30
  4. Step 4: Simplify right side
    183.15x = 36,951.92
  5. Step 5: Solve for x
    x = 36,951.92/183.15
  6. Step 6: Final answer
    x = 201.76

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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.