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Finding the Fourth Proportional to 499.37, 748.91 and 174.69

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Solution

The fourth proportional to 499.37, 748.91 and 174.69 is: 261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.37 : 748.91 = 174.69 : x
  2. Step 2: Convert to fraction form
    499.37/748.91 = 174.69/x
  3. Step 3: Cross multiply
    499.37x = 748.91 × 174.69
  4. Step 4: Simplify right side
    499.37x = 130,827.52
  5. Step 5: Solve for x
    x = 130,827.52/499.37
  6. Step 6: Final answer
    x = 261.99

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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.