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Finding the Fourth Proportional to 474.25, 654.42 and 264.39

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Solution

The fourth proportional to 474.25, 654.42 and 264.39 is: 364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.25 : 654.42 = 264.39 : x
  2. Step 2: Convert to fraction form
    474.25/654.42 = 264.39/x
  3. Step 3: Cross multiply
    474.25x = 654.42 × 264.39
  4. Step 4: Simplify right side
    474.25x = 173,022.10
  5. Step 5: Solve for x
    x = 173,022.10/474.25
  6. Step 6: Final answer
    x = 364.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.