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Finding the Fourth Proportional to 361.23, 498.50 and 195.44

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Solution

The fourth proportional to 361.23, 498.50 and 195.44 is: 269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.23 : 498.50 = 195.44 : x
  2. Step 2: Convert to fraction form
    361.23/498.50 = 195.44/x
  3. Step 3: Cross multiply
    361.23x = 498.50 × 195.44
  4. Step 4: Simplify right side
    361.23x = 97,426.64
  5. Step 5: Solve for x
    x = 97,426.64/361.23
  6. Step 6: Final answer
    x = 269.71

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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.