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Finding the Fourth Proportional to 206.46, 309.51 and 184.73

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Solution

The fourth proportional to 206.46, 309.51 and 184.73 is: 276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.46 : 309.51 = 184.73 : x
  2. Step 2: Convert to fraction form
    206.46/309.51 = 184.73/x
  3. Step 3: Cross multiply
    206.46x = 309.51 × 184.73
  4. Step 4: Simplify right side
    206.46x = 57,174.23
  5. Step 5: Solve for x
    x = 57,174.23/206.46
  6. Step 6: Final answer
    x = 276.93

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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.