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Finding the Fourth Proportional to 233.31, 347.48 and 230.58

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Solution

The fourth proportional to 233.31, 347.48 and 230.58 is: 343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.31 : 347.48 = 230.58 : x
  2. Step 2: Convert to fraction form
    233.31/347.48 = 230.58/x
  3. Step 3: Cross multiply
    233.31x = 347.48 × 230.58
  4. Step 4: Simplify right side
    233.31x = 80,121.65
  5. Step 5: Solve for x
    x = 80,121.65/233.31
  6. Step 6: Final answer
    x = 343.41

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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.