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Finding the Fourth Proportional to 224.52, 336.48 and 156.07

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Solution

The fourth proportional to 224.52, 336.48 and 156.07 is: 233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.52 : 336.48 = 156.07 : x
  2. Step 2: Convert to fraction form
    224.52/336.48 = 156.07/x
  3. Step 3: Cross multiply
    224.52x = 336.48 × 156.07
  4. Step 4: Simplify right side
    224.52x = 52,514.43
  5. Step 5: Solve for x
    x = 52,514.43/224.52
  6. Step 6: Final answer
    x = 233.90

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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.