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Finding the Fourth Proportional to 185.43, 279.67 and 183.38

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Solution

The fourth proportional to 185.43, 279.67 and 183.38 is: 276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.43 : 279.67 = 183.38 : x
  2. Step 2: Convert to fraction form
    185.43/279.67 = 183.38/x
  3. Step 3: Cross multiply
    185.43x = 279.67 × 183.38
  4. Step 4: Simplify right side
    185.43x = 51,284.03
  5. Step 5: Solve for x
    x = 51,284.03/185.43
  6. Step 6: Final answer
    x = 276.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.