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Finding the Fourth Proportional to 481.19, 722.05 and 477.27

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Solution

The fourth proportional to 481.19, 722.05 and 477.27 is: 716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.19 : 722.05 = 477.27 : x
  2. Step 2: Convert to fraction form
    481.19/722.05 = 477.27/x
  3. Step 3: Cross multiply
    481.19x = 722.05 × 477.27
  4. Step 4: Simplify right side
    481.19x = 344,615.34
  5. Step 5: Solve for x
    x = 344,615.34/481.19
  6. Step 6: Final answer
    x = 716.18

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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.