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Finding the Fourth Proportional to 364.57, 547.05 and 159.23

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Solution

The fourth proportional to 364.57, 547.05 and 159.23 is: 238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.57 : 547.05 = 159.23 : x
  2. Step 2: Convert to fraction form
    364.57/547.05 = 159.23/x
  3. Step 3: Cross multiply
    364.57x = 547.05 × 159.23
  4. Step 4: Simplify right side
    364.57x = 87,106.77
  5. Step 5: Solve for x
    x = 87,106.77/364.57
  6. Step 6: Final answer
    x = 238.93

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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.