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Finding the Fourth Proportional to 322.25, 444.55 and 233.58

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Solution

The fourth proportional to 322.25, 444.55 and 233.58 is: 322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.25 : 444.55 = 233.58 : x
  2. Step 2: Convert to fraction form
    322.25/444.55 = 233.58/x
  3. Step 3: Cross multiply
    322.25x = 444.55 × 233.58
  4. Step 4: Simplify right side
    322.25x = 103,837.93
  5. Step 5: Solve for x
    x = 103,837.93/322.25
  6. Step 6: Final answer
    x = 322.23

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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.