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Finding the Fourth Proportional to 185.82, 255.46 and 184.64

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Solution

The fourth proportional to 185.82, 255.46 and 184.64 is: 253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.82 : 255.46 = 184.64 : x
  2. Step 2: Convert to fraction form
    185.82/255.46 = 184.64/x
  3. Step 3: Cross multiply
    185.82x = 255.46 × 184.64
  4. Step 4: Simplify right side
    185.82x = 47,168.13
  5. Step 5: Solve for x
    x = 47,168.13/185.82
  6. Step 6: Final answer
    x = 253.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.