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Finding the Fourth Proportional to 183.53, 275.32 and 68.03

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Solution

The fourth proportional to 183.53, 275.32 and 68.03 is: 102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.53 : 275.32 = 68.03 : x
  2. Step 2: Convert to fraction form
    183.53/275.32 = 68.03/x
  3. Step 3: Cross multiply
    183.53x = 275.32 × 68.03
  4. Step 4: Simplify right side
    183.53x = 18,729.68
  5. Step 5: Solve for x
    x = 18,729.68/183.53
  6. Step 6: Final answer
    x = 102.05

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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.