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Finding the Fourth Proportional to 185.45, 257.52 and 183.65

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Solution

The fourth proportional to 185.45, 257.52 and 183.65 is: 255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.45 : 257.52 = 183.65 : x
  2. Step 2: Convert to fraction form
    185.45/257.52 = 183.65/x
  3. Step 3: Cross multiply
    185.45x = 257.52 × 183.65
  4. Step 4: Simplify right side
    185.45x = 47,292.95
  5. Step 5: Solve for x
    x = 47,292.95/185.45
  6. Step 6: Final answer
    x = 255.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.