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Finding the Fourth Proportional to 235.66, 351.62 and 230.18

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Solution

The fourth proportional to 235.66, 351.62 and 230.18 is: 343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.66 : 351.62 = 230.18 : x
  2. Step 2: Convert to fraction form
    235.66/351.62 = 230.18/x
  3. Step 3: Cross multiply
    235.66x = 351.62 × 230.18
  4. Step 4: Simplify right side
    235.66x = 80,935.89
  5. Step 5: Solve for x
    x = 80,935.89/235.66
  6. Step 6: Final answer
    x = 343.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.