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Finding the Fourth Proportional to 254.75, 351.44 and 184.63

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Solution

The fourth proportional to 254.75, 351.44 and 184.63 is: 254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.75 : 351.44 = 184.63 : x
  2. Step 2: Convert to fraction form
    254.75/351.44 = 184.63/x
  3. Step 3: Cross multiply
    254.75x = 351.44 × 184.63
  4. Step 4: Simplify right side
    254.75x = 64,885.92
  5. Step 5: Solve for x
    x = 64,885.92/254.75
  6. Step 6: Final answer
    x = 254.71

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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.