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Finding the Fourth Proportional to 605.41, 908.22 and 194.58

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Solution

The fourth proportional to 605.41, 908.22 and 194.58 is: 291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.41 : 908.22 = 194.58 : x
  2. Step 2: Convert to fraction form
    605.41/908.22 = 194.58/x
  3. Step 3: Cross multiply
    605.41x = 908.22 × 194.58
  4. Step 4: Simplify right side
    605.41x = 176,721.45
  5. Step 5: Solve for x
    x = 176,721.45/605.41
  6. Step 6: Final answer
    x = 291.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.