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Finding the Fourth Proportional to 587.44, 880.98 and 222.31

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Solution

The fourth proportional to 587.44, 880.98 and 222.31 is: 333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.44 : 880.98 = 222.31 : x
  2. Step 2: Convert to fraction form
    587.44/880.98 = 222.31/x
  3. Step 3: Cross multiply
    587.44x = 880.98 × 222.31
  4. Step 4: Simplify right side
    587.44x = 195,850.66
  5. Step 5: Solve for x
    x = 195,850.66/587.44
  6. Step 6: Final answer
    x = 333.40

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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.