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Finding the Fourth Proportional to 183.18, 274.52 and 101.90

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Solution

The fourth proportional to 183.18, 274.52 and 101.90 is: 152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.18 : 274.52 = 101.90 : x
  2. Step 2: Convert to fraction form
    183.18/274.52 = 101.90/x
  3. Step 3: Cross multiply
    183.18x = 274.52 × 101.90
  4. Step 4: Simplify right side
    183.18x = 27,973.59
  5. Step 5: Solve for x
    x = 27,973.59/183.18
  6. Step 6: Final answer
    x = 152.71

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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.