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Finding the Fourth Proportional to 183.67, 275.20 and 163.05

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Solution

The fourth proportional to 183.67, 275.20 and 163.05 is: 244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.67 : 275.20 = 163.05 : x
  2. Step 2: Convert to fraction form
    183.67/275.20 = 163.05/x
  3. Step 3: Cross multiply
    183.67x = 275.20 × 163.05
  4. Step 4: Simplify right side
    183.67x = 44,871.08
  5. Step 5: Solve for x
    x = 44,871.08/183.67
  6. Step 6: Final answer
    x = 244.31

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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.