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Finding the Fourth Proportional to 184.15, 254.12 and 101.25

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Solution

The fourth proportional to 184.15, 254.12 and 101.25 is: 139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.15 : 254.12 = 101.25 : x
  2. Step 2: Convert to fraction form
    184.15/254.12 = 101.25/x
  3. Step 3: Cross multiply
    184.15x = 254.12 × 101.25
  4. Step 4: Simplify right side
    184.15x = 25,729.90
  5. Step 5: Solve for x
    x = 25,729.90/184.15
  6. Step 6: Final answer
    x = 139.72

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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.