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Finding the Fourth Proportional to 262.77, 362.46 and 200.47

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Solution

The fourth proportional to 262.77, 362.46 and 200.47 is: 276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.77 : 362.46 = 200.47 : x
  2. Step 2: Convert to fraction form
    262.77/362.46 = 200.47/x
  3. Step 3: Cross multiply
    262.77x = 362.46 × 200.47
  4. Step 4: Simplify right side
    262.77x = 72,662.36
  5. Step 5: Solve for x
    x = 72,662.36/262.77
  6. Step 6: Final answer
    x = 276.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.