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Finding the Fourth Proportional to 184.03, 275.74 and 129.66

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Solution

The fourth proportional to 184.03, 275.74 and 129.66 is: 194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.03 : 275.74 = 129.66 : x
  2. Step 2: Convert to fraction form
    184.03/275.74 = 129.66/x
  3. Step 3: Cross multiply
    184.03x = 275.74 × 129.66
  4. Step 4: Simplify right side
    184.03x = 35,751.80
  5. Step 5: Solve for x
    x = 35,751.80/184.03
  6. Step 6: Final answer
    x = 194.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.