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Finding the Fourth Proportional to 251.07, 344.22 and 246.66

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Solution

The fourth proportional to 251.07, 344.22 and 246.66 is: 338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.07 : 344.22 = 246.66 : x
  2. Step 2: Convert to fraction form
    251.07/344.22 = 246.66/x
  3. Step 3: Cross multiply
    251.07x = 344.22 × 246.66
  4. Step 4: Simplify right side
    251.07x = 84,905.31
  5. Step 5: Solve for x
    x = 84,905.31/251.07
  6. Step 6: Final answer
    x = 338.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.