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Finding the Fourth Proportional to 358.11, 536.75 and 162.89

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Solution

The fourth proportional to 358.11, 536.75 and 162.89 is: 244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.11 : 536.75 = 162.89 : x
  2. Step 2: Convert to fraction form
    358.11/536.75 = 162.89/x
  3. Step 3: Cross multiply
    358.11x = 536.75 × 162.89
  4. Step 4: Simplify right side
    358.11x = 87,427.71
  5. Step 5: Solve for x
    x = 87,427.71/358.11
  6. Step 6: Final answer
    x = 244.14

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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.