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Finding the Fourth Proportional to 483.57, 730.62 and 479.25

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Solution

The fourth proportional to 483.57, 730.62 and 479.25 is: 724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.57 : 730.62 = 479.25 : x
  2. Step 2: Convert to fraction form
    483.57/730.62 = 479.25/x
  3. Step 3: Cross multiply
    483.57x = 730.62 × 479.25
  4. Step 4: Simplify right side
    483.57x = 350,149.64
  5. Step 5: Solve for x
    x = 350,149.64/483.57
  6. Step 6: Final answer
    x = 724.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.