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Finding the Fourth Proportional to 266.69, 367.88 and 183.83

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Solution

The fourth proportional to 266.69, 367.88 and 183.83 is: 253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.69 : 367.88 = 183.83 : x
  2. Step 2: Convert to fraction form
    266.69/367.88 = 183.83/x
  3. Step 3: Cross multiply
    266.69x = 367.88 × 183.83
  4. Step 4: Simplify right side
    266.69x = 67,628.76
  5. Step 5: Solve for x
    x = 67,628.76/266.69
  6. Step 6: Final answer
    x = 253.59

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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.