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Finding the Fourth Proportional to 581.68, 872.56 and 273.48

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Solution

The fourth proportional to 581.68, 872.56 and 273.48 is: 410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.68 : 872.56 = 273.48 : x
  2. Step 2: Convert to fraction form
    581.68/872.56 = 273.48/x
  3. Step 3: Cross multiply
    581.68x = 872.56 × 273.48
  4. Step 4: Simplify right side
    581.68x = 238,627.71
  5. Step 5: Solve for x
    x = 238,627.71/581.68
  6. Step 6: Final answer
    x = 410.24

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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.