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Finding the Fourth Proportional to 585.25, 807.60 and 323.23

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Solution

The fourth proportional to 585.25, 807.60 and 323.23 is: 446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.25 : 807.60 = 323.23 : x
  2. Step 2: Convert to fraction form
    585.25/807.60 = 323.23/x
  3. Step 3: Cross multiply
    585.25x = 807.60 × 323.23
  4. Step 4: Simplify right side
    585.25x = 261,040.55
  5. Step 5: Solve for x
    x = 261,040.55/585.25
  6. Step 6: Final answer
    x = 446.03

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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.