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Finding the Fourth Proportional to 250.67, 374.22 and 223.33

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Solution

The fourth proportional to 250.67, 374.22 and 223.33 is: 333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.67 : 374.22 = 223.33 : x
  2. Step 2: Convert to fraction form
    250.67/374.22 = 223.33/x
  3. Step 3: Cross multiply
    250.67x = 374.22 × 223.33
  4. Step 4: Simplify right side
    250.67x = 83,574.55
  5. Step 5: Solve for x
    x = 83,574.55/250.67
  6. Step 6: Final answer
    x = 333.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.