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Finding the Fourth Proportional to 266.36, 400.03 and 163.83

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Solution

The fourth proportional to 266.36, 400.03 and 163.83 is: 246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.36 : 400.03 = 163.83 : x
  2. Step 2: Convert to fraction form
    266.36/400.03 = 163.83/x
  3. Step 3: Cross multiply
    266.36x = 400.03 × 163.83
  4. Step 4: Simplify right side
    266.36x = 65,536.51
  5. Step 5: Solve for x
    x = 65,536.51/266.36
  6. Step 6: Final answer
    x = 246.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.