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Finding the Fourth Proportional to 264.92, 365.66 and 154.47

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Solution

The fourth proportional to 264.92, 365.66 and 154.47 is: 213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.92 : 365.66 = 154.47 : x
  2. Step 2: Convert to fraction form
    264.92/365.66 = 154.47/x
  3. Step 3: Cross multiply
    264.92x = 365.66 × 154.47
  4. Step 4: Simplify right side
    264.92x = 56,483.50
  5. Step 5: Solve for x
    x = 56,483.50/264.92
  6. Step 6: Final answer
    x = 213.21

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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.