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Finding the Fourth Proportional to 483.39, 724.44 and 264.11

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Solution

The fourth proportional to 483.39, 724.44 and 264.11 is: 395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.39 : 724.44 = 264.11 : x
  2. Step 2: Convert to fraction form
    483.39/724.44 = 264.11/x
  3. Step 3: Cross multiply
    483.39x = 724.44 × 264.11
  4. Step 4: Simplify right side
    483.39x = 191,331.85
  5. Step 5: Solve for x
    x = 191,331.85/483.39
  6. Step 6: Final answer
    x = 395.81

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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.