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Finding the Fourth Proportional to 723.53, 998.73 and 444.23

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Solution

The fourth proportional to 723.53, 998.73 and 444.23 is: 613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.53 : 998.73 = 444.23 : x
  2. Step 2: Convert to fraction form
    723.53/998.73 = 444.23/x
  3. Step 3: Cross multiply
    723.53x = 998.73 × 444.23
  4. Step 4: Simplify right side
    723.53x = 443,670.20
  5. Step 5: Solve for x
    x = 443,670.20/723.53
  6. Step 6: Final answer
    x = 613.20

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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.