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Finding the Fourth Proportional to 888.85, 1,333.90 and 334.04

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Solution

The fourth proportional to 888.85, 1,333.90 and 334.04 is: 501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.85 : 1,333.90 = 334.04 : x
  2. Step 2: Convert to fraction form
    888.85/1,333.90 = 334.04/x
  3. Step 3: Cross multiply
    888.85x = 1,333.90 × 334.04
  4. Step 4: Simplify right side
    888.85x = 445,575.96
  5. Step 5: Solve for x
    x = 445,575.96/888.85
  6. Step 6: Final answer
    x = 501.29

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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.