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Finding the Fourth Proportional to 604.25, 906.27 and 171.32

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Solution

The fourth proportional to 604.25, 906.27 and 171.32 is: 256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.25 : 906.27 = 171.32 : x
  2. Step 2: Convert to fraction form
    604.25/906.27 = 171.32/x
  3. Step 3: Cross multiply
    604.25x = 906.27 × 171.32
  4. Step 4: Simplify right side
    604.25x = 155,262.18
  5. Step 5: Solve for x
    x = 155,262.18/604.25
  6. Step 6: Final answer
    x = 256.95

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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.