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Finding the Fourth Proportional to 272.93, 376.55 and 194.27

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Solution

The fourth proportional to 272.93, 376.55 and 194.27 is: 268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.93 : 376.55 = 194.27 : x
  2. Step 2: Convert to fraction form
    272.93/376.55 = 194.27/x
  3. Step 3: Cross multiply
    272.93x = 376.55 × 194.27
  4. Step 4: Simplify right side
    272.93x = 73,149.51
  5. Step 5: Solve for x
    x = 73,149.51/272.93
  6. Step 6: Final answer
    x = 268.02

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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.