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Finding the Fourth Proportional to 190.26, 283.79 and 167.58

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Solution

The fourth proportional to 190.26, 283.79 and 167.58 is: 249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.26 : 283.79 = 167.58 : x
  2. Step 2: Convert to fraction form
    190.26/283.79 = 167.58/x
  3. Step 3: Cross multiply
    190.26x = 283.79 × 167.58
  4. Step 4: Simplify right side
    190.26x = 47,556.69
  5. Step 5: Solve for x
    x = 47,556.69/190.26
  6. Step 6: Final answer
    x = 249.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.