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Finding the Fourth Proportional to 358.51, 537.63 and 166

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Solution

The fourth proportional to 358.51, 537.63 and 166 is: 248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.51 : 537.63 = 166 : x
  2. Step 2: Convert to fraction form
    358.51/537.63 = 166/x
  3. Step 3: Cross multiply
    358.51x = 537.63 × 166
  4. Step 4: Simplify right side
    358.51x = 89,246.58
  5. Step 5: Solve for x
    x = 89,246.58/358.51
  6. Step 6: Final answer
    x = 248.94

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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.