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Finding the Fourth Proportional to 203.73, 306.98 and 194.46

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Solution

The fourth proportional to 203.73, 306.98 and 194.46 is: 293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.73 : 306.98 = 194.46 : x
  2. Step 2: Convert to fraction form
    203.73/306.98 = 194.46/x
  3. Step 3: Cross multiply
    203.73x = 306.98 × 194.46
  4. Step 4: Simplify right side
    203.73x = 59,695.33
  5. Step 5: Solve for x
    x = 59,695.33/203.73
  6. Step 6: Final answer
    x = 293.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.