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Finding the Fourth Proportional to 183.38, 274.74 and 106.22

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Solution

The fourth proportional to 183.38, 274.74 and 106.22 is: 159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.38 : 274.74 = 106.22 : x
  2. Step 2: Convert to fraction form
    183.38/274.74 = 106.22/x
  3. Step 3: Cross multiply
    183.38x = 274.74 × 106.22
  4. Step 4: Simplify right side
    183.38x = 29,181.51
  5. Step 5: Solve for x
    x = 29,181.51/183.38
  6. Step 6: Final answer
    x = 159.14

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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.