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Finding the Fourth Proportional to 223.39, 333.13 and 190.52

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Solution

The fourth proportional to 223.39, 333.13 and 190.52 is: 284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.39 : 333.13 = 190.52 : x
  2. Step 2: Convert to fraction form
    223.39/333.13 = 190.52/x
  3. Step 3: Cross multiply
    223.39x = 333.13 × 190.52
  4. Step 4: Simplify right side
    223.39x = 63,467.93
  5. Step 5: Solve for x
    x = 63,467.93/223.39
  6. Step 6: Final answer
    x = 284.11

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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.