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Finding the Fourth Proportional to 205.03, 283.08 and 131.41

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Solution

The fourth proportional to 205.03, 283.08 and 131.41 is: 181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.03 : 283.08 = 131.41 : x
  2. Step 2: Convert to fraction form
    205.03/283.08 = 131.41/x
  3. Step 3: Cross multiply
    205.03x = 283.08 × 131.41
  4. Step 4: Simplify right side
    205.03x = 37,199.54
  5. Step 5: Solve for x
    x = 37,199.54/205.03
  6. Step 6: Final answer
    x = 181.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.