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Finding the Fourth Proportional to 244.32, 336.69 and 196.98

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Solution

The fourth proportional to 244.32, 336.69 and 196.98 is: 271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.32 : 336.69 = 196.98 : x
  2. Step 2: Convert to fraction form
    244.32/336.69 = 196.98/x
  3. Step 3: Cross multiply
    244.32x = 336.69 × 196.98
  4. Step 4: Simplify right side
    244.32x = 66,321.20
  5. Step 5: Solve for x
    x = 66,321.20/244.32
  6. Step 6: Final answer
    x = 271.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.