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Finding the Fourth Proportional to 254.88, 352.44 and 233.12

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Solution

The fourth proportional to 254.88, 352.44 and 233.12 is: 322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.88 : 352.44 = 233.12 : x
  2. Step 2: Convert to fraction form
    254.88/352.44 = 233.12/x
  3. Step 3: Cross multiply
    254.88x = 352.44 × 233.12
  4. Step 4: Simplify right side
    254.88x = 82,160.81
  5. Step 5: Solve for x
    x = 82,160.81/254.88
  6. Step 6: Final answer
    x = 322.35

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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.