Home / 684.08-1,026.24-273.22

Finding the Fourth Proportional to 684.08, 1,026.24 and 273.22

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Solution

The fourth proportional to 684.08, 1,026.24 and 273.22 is: 409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    684.08 : 1,026.24 = 273.22 : x
  2. Step 2: Convert to fraction form
    684.08/1,026.24 = 273.22/x
  3. Step 3: Cross multiply
    684.08x = 1,026.24 × 273.22
  4. Step 4: Simplify right side
    684.08x = 280,389.29
  5. Step 5: Solve for x
    x = 280,389.29/684.08
  6. Step 6: Final answer
    x = 409.88

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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.