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Finding the Fourth Proportional to 246.22, 368.30 and 202.38

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Solution

The fourth proportional to 246.22, 368.30 and 202.38 is: 302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.22 : 368.30 = 202.38 : x
  2. Step 2: Convert to fraction form
    246.22/368.30 = 202.38/x
  3. Step 3: Cross multiply
    246.22x = 368.30 × 202.38
  4. Step 4: Simplify right side
    246.22x = 74,536.55
  5. Step 5: Solve for x
    x = 74,536.55/246.22
  6. Step 6: Final answer
    x = 302.72

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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.