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Finding the Fourth Proportional to 183.33, 253.01 and 108.67

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Solution

The fourth proportional to 183.33, 253.01 and 108.67 is: 149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.33 : 253.01 = 108.67 : x
  2. Step 2: Convert to fraction form
    183.33/253.01 = 108.67/x
  3. Step 3: Cross multiply
    183.33x = 253.01 × 108.67
  4. Step 4: Simplify right side
    183.33x = 27,493.42
  5. Step 5: Solve for x
    x = 27,493.42/183.33
  6. Step 6: Final answer
    x = 149.97

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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.