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Finding the Fourth Proportional to 246.12, 368.64 and 238.02

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Solution

The fourth proportional to 246.12, 368.64 and 238.02 is: 356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.12 : 368.64 = 238.02 : x
  2. Step 2: Convert to fraction form
    246.12/368.64 = 238.02/x
  3. Step 3: Cross multiply
    246.12x = 368.64 × 238.02
  4. Step 4: Simplify right side
    246.12x = 87,743.69
  5. Step 5: Solve for x
    x = 87,743.69/246.12
  6. Step 6: Final answer
    x = 356.51

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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.