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Finding the Fourth Proportional to 233.97, 351.09 and 152.85

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Solution

The fourth proportional to 233.97, 351.09 and 152.85 is: 229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.97 : 351.09 = 152.85 : x
  2. Step 2: Convert to fraction form
    233.97/351.09 = 152.85/x
  3. Step 3: Cross multiply
    233.97x = 351.09 × 152.85
  4. Step 4: Simplify right side
    233.97x = 53,664.11
  5. Step 5: Solve for x
    x = 53,664.11/233.97
  6. Step 6: Final answer
    x = 229.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.