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Finding the Fourth Proportional to 266.44, 367.52 and 168.02

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Solution

The fourth proportional to 266.44, 367.52 and 168.02 is: 231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.44 : 367.52 = 168.02 : x
  2. Step 2: Convert to fraction form
    266.44/367.52 = 168.02/x
  3. Step 3: Cross multiply
    266.44x = 367.52 × 168.02
  4. Step 4: Simplify right side
    266.44x = 61,750.71
  5. Step 5: Solve for x
    x = 61,750.71/266.44
  6. Step 6: Final answer
    x = 231.76

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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.