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Finding the Fourth Proportional to 251.24, 348.26 and 246.98

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Solution

The fourth proportional to 251.24, 348.26 and 246.98 is: 342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.24 : 348.26 = 246.98 : x
  2. Step 2: Convert to fraction form
    251.24/348.26 = 246.98/x
  3. Step 3: Cross multiply
    251.24x = 348.26 × 246.98
  4. Step 4: Simplify right side
    251.24x = 86,010.28
  5. Step 5: Solve for x
    x = 86,010.28/251.24
  6. Step 6: Final answer
    x = 342.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.