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Finding the Fourth Proportional to 184.50, 254.26 and 118.89

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Solution

The fourth proportional to 184.50, 254.26 and 118.89 is: 163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.50 : 254.26 = 118.89 : x
  2. Step 2: Convert to fraction form
    184.50/254.26 = 118.89/x
  3. Step 3: Cross multiply
    184.50x = 254.26 × 118.89
  4. Step 4: Simplify right side
    184.50x = 30,229.12
  5. Step 5: Solve for x
    x = 30,229.12/184.50
  6. Step 6: Final answer
    x = 163.84

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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.