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Finding the Fourth Proportional to 587.87, 881.69 and 222.53

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Solution

The fourth proportional to 587.87, 881.69 and 222.53 is: 333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.87 : 881.69 = 222.53 : x
  2. Step 2: Convert to fraction form
    587.87/881.69 = 222.53/x
  3. Step 3: Cross multiply
    587.87x = 881.69 × 222.53
  4. Step 4: Simplify right side
    587.87x = 196,201.36
  5. Step 5: Solve for x
    x = 196,201.36/587.87
  6. Step 6: Final answer
    x = 333.75

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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.