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Finding the Fourth Proportional to 499.59, 747.50 and 336.47

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Solution

The fourth proportional to 499.59, 747.50 and 336.47 is: 503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.59 : 747.50 = 336.47 : x
  2. Step 2: Convert to fraction form
    499.59/747.50 = 336.47/x
  3. Step 3: Cross multiply
    499.59x = 747.50 × 336.47
  4. Step 4: Simplify right side
    499.59x = 251,511.33
  5. Step 5: Solve for x
    x = 251,511.33/499.59
  6. Step 6: Final answer
    x = 503.44

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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.