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Finding the Fourth Proportional to 364.24, 545.96 and 158.84

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Solution

The fourth proportional to 364.24, 545.96 and 158.84 is: 238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.24 : 545.96 = 158.84 : x
  2. Step 2: Convert to fraction form
    364.24/545.96 = 158.84/x
  3. Step 3: Cross multiply
    364.24x = 545.96 × 158.84
  4. Step 4: Simplify right side
    364.24x = 86,720.29
  5. Step 5: Solve for x
    x = 86,720.29/364.24
  6. Step 6: Final answer
    x = 238.09

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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.