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Finding the Fourth Proportional to 365.29, 548.22 and 160.00

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Solution

The fourth proportional to 365.29, 548.22 and 160.00 is: 240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.29 : 548.22 = 160.00 : x
  2. Step 2: Convert to fraction form
    365.29/548.22 = 160.00/x
  3. Step 3: Cross multiply
    365.29x = 548.22 × 160.00
  4. Step 4: Simplify right side
    365.29x = 87,715.58
  5. Step 5: Solve for x
    x = 87,715.58/365.29
  6. Step 6: Final answer
    x = 240.13

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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.