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Finding the Fourth Proportional to 207.01, 283.97 and 190.59

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Solution

The fourth proportional to 207.01, 283.97 and 190.59 is: 261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.01 : 283.97 = 190.59 : x
  2. Step 2: Convert to fraction form
    207.01/283.97 = 190.59/x
  3. Step 3: Cross multiply
    207.01x = 283.97 × 190.59
  4. Step 4: Simplify right side
    207.01x = 54,121.84
  5. Step 5: Solve for x
    x = 54,121.84/207.01
  6. Step 6: Final answer
    x = 261.45

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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.