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Finding the Fourth Proportional to 230.93, 346.41 and 162.48

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Solution

The fourth proportional to 230.93, 346.41 and 162.48 is: 243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.93 : 346.41 = 162.48 : x
  2. Step 2: Convert to fraction form
    230.93/346.41 = 162.48/x
  3. Step 3: Cross multiply
    230.93x = 346.41 × 162.48
  4. Step 4: Simplify right side
    230.93x = 56,284.70
  5. Step 5: Solve for x
    x = 56,284.70/230.93
  6. Step 6: Final answer
    x = 243.74

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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.