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Finding the Fourth Proportional to 495.87, 744.08 and 300.39

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Solution

The fourth proportional to 495.87, 744.08 and 300.39 is: 450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.87 : 744.08 = 300.39 : x
  2. Step 2: Convert to fraction form
    495.87/744.08 = 300.39/x
  3. Step 3: Cross multiply
    495.87x = 744.08 × 300.39
  4. Step 4: Simplify right side
    495.87x = 223,512.69
  5. Step 5: Solve for x
    x = 223,512.69/495.87
  6. Step 6: Final answer
    x = 450.75

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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.