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Finding the Fourth Proportional to 266.33, 366.69 and 242.03

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Solution

The fourth proportional to 266.33, 366.69 and 242.03 is: 333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.33 : 366.69 = 242.03 : x
  2. Step 2: Convert to fraction form
    266.33/366.69 = 242.03/x
  3. Step 3: Cross multiply
    266.33x = 366.69 × 242.03
  4. Step 4: Simplify right side
    266.33x = 88,748.15
  5. Step 5: Solve for x
    x = 88,748.15/266.33
  6. Step 6: Final answer
    x = 333.23

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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.