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Finding the Fourth Proportional to 254.70, 377.25 and 251.97

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Solution

The fourth proportional to 254.70, 377.25 and 251.97 is: 373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.70 : 377.25 = 251.97 : x
  2. Step 2: Convert to fraction form
    254.70/377.25 = 251.97/x
  3. Step 3: Cross multiply
    254.70x = 377.25 × 251.97
  4. Step 4: Simplify right side
    254.70x = 95,055.68
  5. Step 5: Solve for x
    x = 95,055.68/254.70
  6. Step 6: Final answer
    x = 373.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.