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Finding the Fourth Proportional to 183.62, 275.75 and 163.77

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Solution

The fourth proportional to 183.62, 275.75 and 163.77 is: 245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.62 : 275.75 = 163.77 : x
  2. Step 2: Convert to fraction form
    183.62/275.75 = 163.77/x
  3. Step 3: Cross multiply
    183.62x = 275.75 × 163.77
  4. Step 4: Simplify right side
    183.62x = 45,160.81
  5. Step 5: Solve for x
    x = 45,160.81/183.62
  6. Step 6: Final answer
    x = 245.95

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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.