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Finding the Fourth Proportional to 364.23, 546.50 and 158.85

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Solution

The fourth proportional to 364.23, 546.50 and 158.85 is: 238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.23 : 546.50 = 158.85 : x
  2. Step 2: Convert to fraction form
    364.23/546.50 = 158.85/x
  3. Step 3: Cross multiply
    364.23x = 546.50 × 158.85
  4. Step 4: Simplify right side
    364.23x = 86,811.53
  5. Step 5: Solve for x
    x = 86,811.53/364.23
  6. Step 6: Final answer
    x = 238.34

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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.