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Finding the Fourth Proportional to 184.89, 255.07 and 114.87

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Solution

The fourth proportional to 184.89, 255.07 and 114.87 is: 158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.89 : 255.07 = 114.87 : x
  2. Step 2: Convert to fraction form
    184.89/255.07 = 114.87/x
  3. Step 3: Cross multiply
    184.89x = 255.07 × 114.87
  4. Step 4: Simplify right side
    184.89x = 29,299.89
  5. Step 5: Solve for x
    x = 29,299.89/184.89
  6. Step 6: Final answer
    x = 158.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.