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Finding the Fourth Proportional to 344.93, 475.98 and 195.56

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Solution

The fourth proportional to 344.93, 475.98 and 195.56 is: 269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.93 : 475.98 = 195.56 : x
  2. Step 2: Convert to fraction form
    344.93/475.98 = 195.56/x
  3. Step 3: Cross multiply
    344.93x = 475.98 × 195.56
  4. Step 4: Simplify right side
    344.93x = 93,081.67
  5. Step 5: Solve for x
    x = 93,081.67/344.93
  6. Step 6: Final answer
    x = 269.86

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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.