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Finding the Fourth Proportional to 888.24, 1,227 and 845.04

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Solution

The fourth proportional to 888.24, 1,227 and 845.04 is: 1,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.24 : 1,227 = 845.04 : x
  2. Step 2: Convert to fraction form
    888.24/1,227 = 845.04/x
  3. Step 3: Cross multiply
    888.24x = 1,227 × 845.04
  4. Step 4: Simplify right side
    888.24x = 1,036,864.08
  5. Step 5: Solve for x
    x = 1,036,864.08/888.24
  6. Step 6: Final answer
    x = 1,167.32

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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.