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Finding the Fourth Proportional to 246.12, 368.46 and 154.41

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Solution

The fourth proportional to 246.12, 368.46 and 154.41 is: 231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.12 : 368.46 = 154.41 : x
  2. Step 2: Convert to fraction form
    246.12/368.46 = 154.41/x
  3. Step 3: Cross multiply
    246.12x = 368.46 × 154.41
  4. Step 4: Simplify right side
    246.12x = 56,893.91
  5. Step 5: Solve for x
    x = 56,893.91/246.12
  6. Step 6: Final answer
    x = 231.16

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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.