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Finding the Fourth Proportional to 888.55, 1,226.48 and 573.82

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Solution

The fourth proportional to 888.55, 1,226.48 and 573.82 is: 792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.55 : 1,226.48 = 573.82 : x
  2. Step 2: Convert to fraction form
    888.55/1,226.48 = 573.82/x
  3. Step 3: Cross multiply
    888.55x = 1,226.48 × 573.82
  4. Step 4: Simplify right side
    888.55x = 703,778.75
  5. Step 5: Solve for x
    x = 703,778.75/888.55
  6. Step 6: Final answer
    x = 792.05

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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.