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Finding the Fourth Proportional to 264.41, 395.11 and 198.09

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Solution

The fourth proportional to 264.41, 395.11 and 198.09 is: 296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.41 : 395.11 = 198.09 : x
  2. Step 2: Convert to fraction form
    264.41/395.11 = 198.09/x
  3. Step 3: Cross multiply
    264.41x = 395.11 × 198.09
  4. Step 4: Simplify right side
    264.41x = 78,267.59
  5. Step 5: Solve for x
    x = 78,267.59/264.41
  6. Step 6: Final answer
    x = 296.01

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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.