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Finding the Fourth Proportional to 283.97, 388.33 and 283.97

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Solution

The fourth proportional to 283.97, 388.33 and 283.97 is: 388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.97 : 388.33 = 283.97 : x
  2. Step 2: Convert to fraction form
    283.97/388.33 = 283.97/x
  3. Step 3: Cross multiply
    283.97x = 388.33 × 283.97
  4. Step 4: Simplify right side
    283.97x = 110,274.07
  5. Step 5: Solve for x
    x = 110,274.07/283.97
  6. Step 6: Final answer
    x = 388.33

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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.