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Finding the Fourth Proportional to 235.04, 355.12 and 232.81

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Solution

The fourth proportional to 235.04, 355.12 and 232.81 is: 351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.04 : 355.12 = 232.81 : x
  2. Step 2: Convert to fraction form
    235.04/355.12 = 232.81/x
  3. Step 3: Cross multiply
    235.04x = 355.12 × 232.81
  4. Step 4: Simplify right side
    235.04x = 82,675.49
  5. Step 5: Solve for x
    x = 82,675.49/235.04
  6. Step 6: Final answer
    x = 351.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.