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Finding the Fourth Proportional to 723.07, 997.93 and 443.34

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Solution

The fourth proportional to 723.07, 997.93 and 443.34 is: 611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.07 : 997.93 = 443.34 : x
  2. Step 2: Convert to fraction form
    723.07/997.93 = 443.34/x
  3. Step 3: Cross multiply
    723.07x = 997.93 × 443.34
  4. Step 4: Simplify right side
    723.07x = 442,420.07
  5. Step 5: Solve for x
    x = 442,420.07/723.07
  6. Step 6: Final answer
    x = 611.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.