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Finding the Fourth Proportional to 184.09, 254.25 and 166.60

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Solution

The fourth proportional to 184.09, 254.25 and 166.60 is: 230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.09 : 254.25 = 166.60 : x
  2. Step 2: Convert to fraction form
    184.09/254.25 = 166.60/x
  3. Step 3: Cross multiply
    184.09x = 254.25 × 166.60
  4. Step 4: Simplify right side
    184.09x = 42,358.05
  5. Step 5: Solve for x
    x = 42,358.05/184.09
  6. Step 6: Final answer
    x = 230.09

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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.