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Finding the Fourth Proportional to 364.36, 546.90 and 159.07

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Solution

The fourth proportional to 364.36, 546.90 and 159.07 is: 238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.36 : 546.90 = 159.07 : x
  2. Step 2: Convert to fraction form
    364.36/546.90 = 159.07/x
  3. Step 3: Cross multiply
    364.36x = 546.90 × 159.07
  4. Step 4: Simplify right side
    364.36x = 86,993.42
  5. Step 5: Solve for x
    x = 86,993.42/364.36
  6. Step 6: Final answer
    x = 238.76

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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.