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Finding the Fourth Proportional to 581.90, 873.05 and 273.79

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Solution

The fourth proportional to 581.90, 873.05 and 273.79 is: 410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.90 : 873.05 = 273.79 : x
  2. Step 2: Convert to fraction form
    581.90/873.05 = 273.79/x
  3. Step 3: Cross multiply
    581.90x = 873.05 × 273.79
  4. Step 4: Simplify right side
    581.90x = 239,032.08
  5. Step 5: Solve for x
    x = 239,032.08/581.90
  6. Step 6: Final answer
    x = 410.78

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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.