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Finding the Fourth Proportional to 264.57, 365.15 and 158.22

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Solution

The fourth proportional to 264.57, 365.15 and 158.22 is: 218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.57 : 365.15 = 158.22 : x
  2. Step 2: Convert to fraction form
    264.57/365.15 = 158.22/x
  3. Step 3: Cross multiply
    264.57x = 365.15 × 158.22
  4. Step 4: Simplify right side
    264.57x = 57,774.03
  5. Step 5: Solve for x
    x = 57,774.03/264.57
  6. Step 6: Final answer
    x = 218.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.