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Finding the Fourth Proportional to 183.25, 274.73 and 106.13

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Solution

The fourth proportional to 183.25, 274.73 and 106.13 is: 159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.25 : 274.73 = 106.13 : x
  2. Step 2: Convert to fraction form
    183.25/274.73 = 106.13/x
  3. Step 3: Cross multiply
    183.25x = 274.73 × 106.13
  4. Step 4: Simplify right side
    183.25x = 29,156.60
  5. Step 5: Solve for x
    x = 29,156.60/183.25
  6. Step 6: Final answer
    x = 159.10

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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.