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Finding the Fourth Proportional to 444.99, 667.79 and 167.58

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Solution

The fourth proportional to 444.99, 667.79 and 167.58 is: 251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.99 : 667.79 = 167.58 : x
  2. Step 2: Convert to fraction form
    444.99/667.79 = 167.58/x
  3. Step 3: Cross multiply
    444.99x = 667.79 × 167.58
  4. Step 4: Simplify right side
    444.99x = 111,908.25
  5. Step 5: Solve for x
    x = 111,908.25/444.99
  6. Step 6: Final answer
    x = 251.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.