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Finding the Fourth Proportional to 446.88, 671.27 and 273.63

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Solution

The fourth proportional to 446.88, 671.27 and 273.63 is: 411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.88 : 671.27 = 273.63 : x
  2. Step 2: Convert to fraction form
    446.88/671.27 = 273.63/x
  3. Step 3: Cross multiply
    446.88x = 671.27 × 273.63
  4. Step 4: Simplify right side
    446.88x = 183,678.24
  5. Step 5: Solve for x
    x = 183,678.24/446.88
  6. Step 6: Final answer
    x = 411.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.