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Finding the Fourth Proportional to 224.51, 336.85 and 155.99

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Solution

The fourth proportional to 224.51, 336.85 and 155.99 is: 234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.51 : 336.85 = 155.99 : x
  2. Step 2: Convert to fraction form
    224.51/336.85 = 155.99/x
  3. Step 3: Cross multiply
    224.51x = 336.85 × 155.99
  4. Step 4: Simplify right side
    224.51x = 52,546.67
  5. Step 5: Solve for x
    x = 52,546.67/224.51
  6. Step 6: Final answer
    x = 234.05

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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.