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Finding the Fourth Proportional to 223.41, 334.74 and 101.76

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Solution

The fourth proportional to 223.41, 334.74 and 101.76 is: 152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.41 : 334.74 = 101.76 : x
  2. Step 2: Convert to fraction form
    223.41/334.74 = 101.76/x
  3. Step 3: Cross multiply
    223.41x = 334.74 × 101.76
  4. Step 4: Simplify right side
    223.41x = 34,063.14
  5. Step 5: Solve for x
    x = 34,063.14/223.41
  6. Step 6: Final answer
    x = 152.47

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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.