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Finding the Fourth Proportional to 495.39, 741.36 and 300.27

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Solution

The fourth proportional to 495.39, 741.36 and 300.27 is: 449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.39 : 741.36 = 300.27 : x
  2. Step 2: Convert to fraction form
    495.39/741.36 = 300.27/x
  3. Step 3: Cross multiply
    495.39x = 741.36 × 300.27
  4. Step 4: Simplify right side
    495.39x = 222,608.17
  5. Step 5: Solve for x
    x = 222,608.17/495.39
  6. Step 6: Final answer
    x = 449.36

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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.