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Finding the Fourth Proportional to 206.67, 283.78 and 175.48

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Solution

The fourth proportional to 206.67, 283.78 and 175.48 is: 240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.67 : 283.78 = 175.48 : x
  2. Step 2: Convert to fraction form
    206.67/283.78 = 175.48/x
  3. Step 3: Cross multiply
    206.67x = 283.78 × 175.48
  4. Step 4: Simplify right side
    206.67x = 49,797.71
  5. Step 5: Solve for x
    x = 49,797.71/206.67
  6. Step 6: Final answer
    x = 240.95

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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.