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Finding the Fourth Proportional to 235.01, 354.72 and 233.79

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Solution

The fourth proportional to 235.01, 354.72 and 233.79 is: 352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.01 : 354.72 = 233.79 : x
  2. Step 2: Convert to fraction form
    235.01/354.72 = 233.79/x
  3. Step 3: Cross multiply
    235.01x = 354.72 × 233.79
  4. Step 4: Simplify right side
    235.01x = 82,929.99
  5. Step 5: Solve for x
    x = 82,929.99/235.01
  6. Step 6: Final answer
    x = 352.89

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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.