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Finding the Fourth Proportional to 223.38, 333.50 and 190.89

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Solution

The fourth proportional to 223.38, 333.50 and 190.89 is: 285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.38 : 333.50 = 190.89 : x
  2. Step 2: Convert to fraction form
    223.38/333.50 = 190.89/x
  3. Step 3: Cross multiply
    223.38x = 333.50 × 190.89
  4. Step 4: Simplify right side
    223.38x = 63,664.15
  5. Step 5: Solve for x
    x = 63,664.15/223.38
  6. Step 6: Final answer
    x = 285.00

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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.