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Finding the Fourth Proportional to 264.40, 364.74 and 166.18

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Solution

The fourth proportional to 264.40, 364.74 and 166.18 is: 229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.40 : 364.74 = 166.18 : x
  2. Step 2: Convert to fraction form
    264.40/364.74 = 166.18/x
  3. Step 3: Cross multiply
    264.40x = 364.74 × 166.18
  4. Step 4: Simplify right side
    264.40x = 60,612.49
  5. Step 5: Solve for x
    x = 60,612.49/264.40
  6. Step 6: Final answer
    x = 229.25

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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.