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Finding the Fourth Proportional to 558.99, 837.22 and 481.34

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Solution

The fourth proportional to 558.99, 837.22 and 481.34 is: 720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.99 : 837.22 = 481.34 : x
  2. Step 2: Convert to fraction form
    558.99/837.22 = 481.34/x
  3. Step 3: Cross multiply
    558.99x = 837.22 × 481.34
  4. Step 4: Simplify right side
    558.99x = 402,980.88
  5. Step 5: Solve for x
    x = 402,980.88/558.99
  6. Step 6: Final answer
    x = 720.91

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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.