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Finding the Fourth Proportional to 273.63, 376.53 and 272.13

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Solution

The fourth proportional to 273.63, 376.53 and 272.13 is: 374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.63 : 376.53 = 272.13 : x
  2. Step 2: Convert to fraction form
    273.63/376.53 = 272.13/x
  3. Step 3: Cross multiply
    273.63x = 376.53 × 272.13
  4. Step 4: Simplify right side
    273.63x = 102,465.11
  5. Step 5: Solve for x
    x = 102,465.11/273.63
  6. Step 6: Final answer
    x = 374.47

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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.