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Finding the Fourth Proportional to 264.21, 364.37 and 170.96

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Solution

The fourth proportional to 264.21, 364.37 and 170.96 is: 235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.21 : 364.37 = 170.96 : x
  2. Step 2: Convert to fraction form
    264.21/364.37 = 170.96/x
  3. Step 3: Cross multiply
    264.21x = 364.37 × 170.96
  4. Step 4: Simplify right side
    264.21x = 62,292.70
  5. Step 5: Solve for x
    x = 62,292.70/264.21
  6. Step 6: Final answer
    x = 235.77

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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.