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Finding the Fourth Proportional to 266.04, 366.75 and 233.28

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Solution

The fourth proportional to 266.04, 366.75 and 233.28 is: 321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.04 : 366.75 = 233.28 : x
  2. Step 2: Convert to fraction form
    266.04/366.75 = 233.28/x
  3. Step 3: Cross multiply
    266.04x = 366.75 × 233.28
  4. Step 4: Simplify right side
    266.04x = 85,555.44
  5. Step 5: Solve for x
    x = 85,555.44/266.04
  6. Step 6: Final answer
    x = 321.59

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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.