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Finding the Fourth Proportional to 184.17, 254.00 and 122.09

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Solution

The fourth proportional to 184.17, 254.00 and 122.09 is: 168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.17 : 254.00 = 122.09 : x
  2. Step 2: Convert to fraction form
    184.17/254.00 = 122.09/x
  3. Step 3: Cross multiply
    184.17x = 254.00 × 122.09
  4. Step 4: Simplify right side
    184.17x = 31,011.32
  5. Step 5: Solve for x
    x = 31,011.32/184.17
  6. Step 6: Final answer
    x = 168.38

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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.