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Finding the Fourth Proportional to 223.35, 333.36 and 193.94

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Solution

The fourth proportional to 223.35, 333.36 and 193.94 is: 289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.35 : 333.36 = 193.94 : x
  2. Step 2: Convert to fraction form
    223.35/333.36 = 193.94/x
  3. Step 3: Cross multiply
    223.35x = 333.36 × 193.94
  4. Step 4: Simplify right side
    223.35x = 64,651.84
  5. Step 5: Solve for x
    x = 64,651.84/223.35
  6. Step 6: Final answer
    x = 289.46

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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.