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Finding the Fourth Proportional to 205.44, 283.33 and 131.63

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Solution

The fourth proportional to 205.44, 283.33 and 131.63 is: 181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.44 : 283.33 = 131.63 : x
  2. Step 2: Convert to fraction form
    205.44/283.33 = 131.63/x
  3. Step 3: Cross multiply
    205.44x = 283.33 × 131.63
  4. Step 4: Simplify right side
    205.44x = 37,293.48
  5. Step 5: Solve for x
    x = 37,293.48/205.44
  6. Step 6: Final answer
    x = 181.53

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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.