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Finding the Fourth Proportional to 499.33, 749.25 and 483.98

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Solution

The fourth proportional to 499.33, 749.25 and 483.98 is: 726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.33 : 749.25 = 483.98 : x
  2. Step 2: Convert to fraction form
    499.33/749.25 = 483.98/x
  3. Step 3: Cross multiply
    499.33x = 749.25 × 483.98
  4. Step 4: Simplify right side
    499.33x = 362,618.27
  5. Step 5: Solve for x
    x = 362,618.27/499.33
  6. Step 6: Final answer
    x = 726.21

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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.