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Finding the Fourth Proportional to 493.00, 738.35 and 353.81

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Solution

The fourth proportional to 493.00, 738.35 and 353.81 is: 529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.00 : 738.35 = 353.81 : x
  2. Step 2: Convert to fraction form
    493.00/738.35 = 353.81/x
  3. Step 3: Cross multiply
    493.00x = 738.35 × 353.81
  4. Step 4: Simplify right side
    493.00x = 261,239.01
  5. Step 5: Solve for x
    x = 261,239.01/493.00
  6. Step 6: Final answer
    x = 529.90

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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.