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Finding the Fourth Proportional to 200.41, 276.52 and 113.08

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Solution

The fourth proportional to 200.41, 276.52 and 113.08 is: 156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.41 : 276.52 = 113.08 : x
  2. Step 2: Convert to fraction form
    200.41/276.52 = 113.08/x
  3. Step 3: Cross multiply
    200.41x = 276.52 × 113.08
  4. Step 4: Simplify right side
    200.41x = 31,268.88
  5. Step 5: Solve for x
    x = 31,268.88/200.41
  6. Step 6: Final answer
    x = 156.02

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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.