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Finding the Fourth Proportional to 207.93, 285.79 and 183.22

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Solution

The fourth proportional to 207.93, 285.79 and 183.22 is: 251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.93 : 285.79 = 183.22 : x
  2. Step 2: Convert to fraction form
    207.93/285.79 = 183.22/x
  3. Step 3: Cross multiply
    207.93x = 285.79 × 183.22
  4. Step 4: Simplify right side
    207.93x = 52,362.44
  5. Step 5: Solve for x
    x = 52,362.44/207.93
  6. Step 6: Final answer
    x = 251.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.