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Finding the Fourth Proportional to 254.88, 379.73 and 246.18

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Solution

The fourth proportional to 254.88, 379.73 and 246.18 is: 366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.88 : 379.73 = 246.18 : x
  2. Step 2: Convert to fraction form
    254.88/379.73 = 246.18/x
  3. Step 3: Cross multiply
    254.88x = 379.73 × 246.18
  4. Step 4: Simplify right side
    254.88x = 93,480.70
  5. Step 5: Solve for x
    x = 93,480.70/254.88
  6. Step 6: Final answer
    x = 366.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.