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Finding the Fourth Proportional to 753.93, 1,131.03 and 233.97

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Solution

The fourth proportional to 753.93, 1,131.03 and 233.97 is: 351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.93 : 1,131.03 = 233.97 : x
  2. Step 2: Convert to fraction form
    753.93/1,131.03 = 233.97/x
  3. Step 3: Cross multiply
    753.93x = 1,131.03 × 233.97
  4. Step 4: Simplify right side
    753.93x = 264,627.09
  5. Step 5: Solve for x
    x = 264,627.09/753.93
  6. Step 6: Final answer
    x = 351.00

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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.