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Finding the Fourth Proportional to 364.57, 546.63 and 158.97

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Solution

The fourth proportional to 364.57, 546.63 and 158.97 is: 238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.57 : 546.63 = 158.97 : x
  2. Step 2: Convert to fraction form
    364.57/546.63 = 158.97/x
  3. Step 3: Cross multiply
    364.57x = 546.63 × 158.97
  4. Step 4: Simplify right side
    364.57x = 86,897.77
  5. Step 5: Solve for x
    x = 86,897.77/364.57
  6. Step 6: Final answer
    x = 238.36

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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.