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Finding the Fourth Proportional to 266.13, 366.81 and 183.09

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Solution

The fourth proportional to 266.13, 366.81 and 183.09 is: 252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.13 : 366.81 = 183.09 : x
  2. Step 2: Convert to fraction form
    266.13/366.81 = 183.09/x
  3. Step 3: Cross multiply
    266.13x = 366.81 × 183.09
  4. Step 4: Simplify right side
    266.13x = 67,159.24
  5. Step 5: Solve for x
    x = 67,159.24/266.13
  6. Step 6: Final answer
    x = 252.36

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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.