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Finding the Fourth Proportional to 883.44, 1,325.13 and 234.18

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Solution

The fourth proportional to 883.44, 1,325.13 and 234.18 is: 351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.44 : 1,325.13 = 234.18 : x
  2. Step 2: Convert to fraction form
    883.44/1,325.13 = 234.18/x
  3. Step 3: Cross multiply
    883.44x = 1,325.13 × 234.18
  4. Step 4: Simplify right side
    883.44x = 310,318.07
  5. Step 5: Solve for x
    x = 310,318.07/883.44
  6. Step 6: Final answer
    x = 351.26

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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.