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Finding the Fourth Proportional to 183.44, 275.31 and 102.33

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Solution

The fourth proportional to 183.44, 275.31 and 102.33 is: 153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.44 : 275.31 = 102.33 : x
  2. Step 2: Convert to fraction form
    183.44/275.31 = 102.33/x
  3. Step 3: Cross multiply
    183.44x = 275.31 × 102.33
  4. Step 4: Simplify right side
    183.44x = 28,172.47
  5. Step 5: Solve for x
    x = 28,172.47/183.44
  6. Step 6: Final answer
    x = 153.58

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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.