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Finding the Fourth Proportional to 580.04, 799.71 and 480.44

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Solution

The fourth proportional to 580.04, 799.71 and 480.44 is: 662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.04 : 799.71 = 480.44 : x
  2. Step 2: Convert to fraction form
    580.04/799.71 = 480.44/x
  3. Step 3: Cross multiply
    580.04x = 799.71 × 480.44
  4. Step 4: Simplify right side
    580.04x = 384,212.67
  5. Step 5: Solve for x
    x = 384,212.67/580.04
  6. Step 6: Final answer
    x = 662.39

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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.