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Finding the Fourth Proportional to 481.77, 722.70 and 353.37

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Solution

The fourth proportional to 481.77, 722.70 and 353.37 is: 530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.77 : 722.70 = 353.37 : x
  2. Step 2: Convert to fraction form
    481.77/722.70 = 353.37/x
  3. Step 3: Cross multiply
    481.77x = 722.70 × 353.37
  4. Step 4: Simplify right side
    481.77x = 255,380.50
  5. Step 5: Solve for x
    x = 255,380.50/481.77
  6. Step 6: Final answer
    x = 530.09

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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.