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Finding the Fourth Proportional to 310.08, 464.78 and 273.56

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Solution

The fourth proportional to 310.08, 464.78 and 273.56 is: 410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.08 : 464.78 = 273.56 : x
  2. Step 2: Convert to fraction form
    310.08/464.78 = 273.56/x
  3. Step 3: Cross multiply
    310.08x = 464.78 × 273.56
  4. Step 4: Simplify right side
    310.08x = 127,145.22
  5. Step 5: Solve for x
    x = 127,145.22/310.08
  6. Step 6: Final answer
    x = 410.04

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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.