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Finding the Fourth Proportional to 499.37, 744.44 and 491.48

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Solution

The fourth proportional to 499.37, 744.44 and 491.48 is: 732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.37 : 744.44 = 491.48 : x
  2. Step 2: Convert to fraction form
    499.37/744.44 = 491.48/x
  3. Step 3: Cross multiply
    499.37x = 744.44 × 491.48
  4. Step 4: Simplify right side
    499.37x = 365,873.65
  5. Step 5: Solve for x
    x = 365,873.65/499.37
  6. Step 6: Final answer
    x = 732.67

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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.