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Finding the Fourth Proportional to 223.57, 334.74 and 154.93

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Solution

The fourth proportional to 223.57, 334.74 and 154.93 is: 231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.57 : 334.74 = 154.93 : x
  2. Step 2: Convert to fraction form
    223.57/334.74 = 154.93/x
  3. Step 3: Cross multiply
    223.57x = 334.74 × 154.93
  4. Step 4: Simplify right side
    223.57x = 51,861.27
  5. Step 5: Solve for x
    x = 51,861.27/223.57
  6. Step 6: Final answer
    x = 231.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.