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Finding the Fourth Proportional to 247.91, 369.61 and 241.60

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Solution

The fourth proportional to 247.91, 369.61 and 241.60 is: 360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.91 : 369.61 = 241.60 : x
  2. Step 2: Convert to fraction form
    247.91/369.61 = 241.60/x
  3. Step 3: Cross multiply
    247.91x = 369.61 × 241.60
  4. Step 4: Simplify right side
    247.91x = 89,297.63
  5. Step 5: Solve for x
    x = 89,297.63/247.91
  6. Step 6: Final answer
    x = 360.20

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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.