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Finding the Fourth Proportional to 483.41, 723.98 and 353.09

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Solution

The fourth proportional to 483.41, 723.98 and 353.09 is: 528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.41 : 723.98 = 353.09 : x
  2. Step 2: Convert to fraction form
    483.41/723.98 = 353.09/x
  3. Step 3: Cross multiply
    483.41x = 723.98 × 353.09
  4. Step 4: Simplify right side
    483.41x = 255,629.38
  5. Step 5: Solve for x
    x = 255,629.38/483.41
  6. Step 6: Final answer
    x = 528.81

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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.