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Finding the Fourth Proportional to 250.25, 372.89 and 222.99

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Solution

The fourth proportional to 250.25, 372.89 and 222.99 is: 332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.25 : 372.89 = 222.99 : x
  2. Step 2: Convert to fraction form
    250.25/372.89 = 222.99/x
  3. Step 3: Cross multiply
    250.25x = 372.89 × 222.99
  4. Step 4: Simplify right side
    250.25x = 83,150.74
  5. Step 5: Solve for x
    x = 83,150.74/250.25
  6. Step 6: Final answer
    x = 332.27

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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.