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Finding the Fourth Proportional to 233.57, 322.23 and 140.29

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Solution

The fourth proportional to 233.57, 322.23 and 140.29 is: 193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.57 : 322.23 = 140.29 : x
  2. Step 2: Convert to fraction form
    233.57/322.23 = 140.29/x
  3. Step 3: Cross multiply
    233.57x = 322.23 × 140.29
  4. Step 4: Simplify right side
    233.57x = 45,204.84
  5. Step 5: Solve for x
    x = 45,204.84/233.57
  6. Step 6: Final answer
    x = 193.54

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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.