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Finding the Fourth Proportional to 246.88, 368.88 and 200.64

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Solution

The fourth proportional to 246.88, 368.88 and 200.64 is: 299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.88 : 368.88 = 200.64 : x
  2. Step 2: Convert to fraction form
    246.88/368.88 = 200.64/x
  3. Step 3: Cross multiply
    246.88x = 368.88 × 200.64
  4. Step 4: Simplify right side
    246.88x = 74,012.08
  5. Step 5: Solve for x
    x = 74,012.08/246.88
  6. Step 6: Final answer
    x = 299.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.