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Finding the Fourth Proportional to 263.59, 394.60 and 195.41

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Solution

The fourth proportional to 263.59, 394.60 and 195.41 is: 292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.59 : 394.60 = 195.41 : x
  2. Step 2: Convert to fraction form
    263.59/394.60 = 195.41/x
  3. Step 3: Cross multiply
    263.59x = 394.60 × 195.41
  4. Step 4: Simplify right side
    263.59x = 77,109.10
  5. Step 5: Solve for x
    x = 77,109.10/263.59
  6. Step 6: Final answer
    x = 292.54

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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.