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Finding the Fourth Proportional to 224.70, 336.66 and 166.80

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Solution

The fourth proportional to 224.70, 336.66 and 166.80 is: 249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.70 : 336.66 = 166.80 : x
  2. Step 2: Convert to fraction form
    224.70/336.66 = 166.80/x
  3. Step 3: Cross multiply
    224.70x = 336.66 × 166.80
  4. Step 4: Simplify right side
    224.70x = 56,154.89
  5. Step 5: Solve for x
    x = 56,154.89/224.70
  6. Step 6: Final answer
    x = 249.91

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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.