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Finding the Fourth Proportional to 266.41, 367.55 and 173.05

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Solution

The fourth proportional to 266.41, 367.55 and 173.05 is: 238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.41 : 367.55 = 173.05 : x
  2. Step 2: Convert to fraction form
    266.41/367.55 = 173.05/x
  3. Step 3: Cross multiply
    266.41x = 367.55 × 173.05
  4. Step 4: Simplify right side
    266.41x = 63,606.43
  5. Step 5: Solve for x
    x = 63,606.43/266.41
  6. Step 6: Final answer
    x = 238.76

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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.