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Finding the Fourth Proportional to 272.52, 376.19 and 174.40

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Solution

The fourth proportional to 272.52, 376.19 and 174.40 is: 240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.52 : 376.19 = 174.40 : x
  2. Step 2: Convert to fraction form
    272.52/376.19 = 174.40/x
  3. Step 3: Cross multiply
    272.52x = 376.19 × 174.40
  4. Step 4: Simplify right side
    272.52x = 65,607.54
  5. Step 5: Solve for x
    x = 65,607.54/272.52
  6. Step 6: Final answer
    x = 240.74

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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.