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Finding the Fourth Proportional to 460.43, 635.48 and 273.86

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Solution

The fourth proportional to 460.43, 635.48 and 273.86 is: 377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.43 : 635.48 = 273.86 : x
  2. Step 2: Convert to fraction form
    460.43/635.48 = 273.86/x
  3. Step 3: Cross multiply
    460.43x = 635.48 × 273.86
  4. Step 4: Simplify right side
    460.43x = 174,032.55
  5. Step 5: Solve for x
    x = 174,032.55/460.43
  6. Step 6: Final answer
    x = 377.98

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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.