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Finding the Fourth Proportional to 266.01, 366.30 and 222.27

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Solution

The fourth proportional to 266.01, 366.30 and 222.27 is: 306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.01 : 366.30 = 222.27 : x
  2. Step 2: Convert to fraction form
    266.01/366.30 = 222.27/x
  3. Step 3: Cross multiply
    266.01x = 366.30 × 222.27
  4. Step 4: Simplify right side
    266.01x = 81,417.50
  5. Step 5: Solve for x
    x = 81,417.50/266.01
  6. Step 6: Final answer
    x = 306.07

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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.