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Finding the Fourth Proportional to 195.50, 291.73 and 169.58

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Solution

The fourth proportional to 195.50, 291.73 and 169.58 is: 253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.50 : 291.73 = 169.58 : x
  2. Step 2: Convert to fraction form
    195.50/291.73 = 169.58/x
  3. Step 3: Cross multiply
    195.50x = 291.73 × 169.58
  4. Step 4: Simplify right side
    195.50x = 49,471.57
  5. Step 5: Solve for x
    x = 49,471.57/195.50
  6. Step 6: Final answer
    x = 253.05

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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.