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Finding the Fourth Proportional to 499.91, 745.38 and 493.83

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Solution

The fourth proportional to 499.91, 745.38 and 493.83 is: 736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.91 : 745.38 = 493.83 : x
  2. Step 2: Convert to fraction form
    499.91/745.38 = 493.83/x
  3. Step 3: Cross multiply
    499.91x = 745.38 × 493.83
  4. Step 4: Simplify right side
    499.91x = 368,091.01
  5. Step 5: Solve for x
    x = 368,091.01/499.91
  6. Step 6: Final answer
    x = 736.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.