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Finding the Fourth Proportional to 883.48, 1,325.30 and 234.22

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Solution

The fourth proportional to 883.48, 1,325.30 and 234.22 is: 351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.48 : 1,325.30 = 234.22 : x
  2. Step 2: Convert to fraction form
    883.48/1,325.30 = 234.22/x
  3. Step 3: Cross multiply
    883.48x = 1,325.30 × 234.22
  4. Step 4: Simplify right side
    883.48x = 310,411.77
  5. Step 5: Solve for x
    x = 310,411.77/883.48
  6. Step 6: Final answer
    x = 351.35

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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.