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Finding the Fourth Proportional to 184.77, 254.77 and 161.41

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Solution

The fourth proportional to 184.77, 254.77 and 161.41 is: 222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.77 : 254.77 = 161.41 : x
  2. Step 2: Convert to fraction form
    184.77/254.77 = 161.41/x
  3. Step 3: Cross multiply
    184.77x = 254.77 × 161.41
  4. Step 4: Simplify right side
    184.77x = 41,122.43
  5. Step 5: Solve for x
    x = 41,122.43/184.77
  6. Step 6: Final answer
    x = 222.56

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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.