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Finding the Fourth Proportional to 245.07, 335.73 and 235.82

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Solution

The fourth proportional to 245.07, 335.73 and 235.82 is: 323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.07 : 335.73 = 235.82 : x
  2. Step 2: Convert to fraction form
    245.07/335.73 = 235.82/x
  3. Step 3: Cross multiply
    245.07x = 335.73 × 235.82
  4. Step 4: Simplify right side
    245.07x = 79,171.85
  5. Step 5: Solve for x
    x = 79,171.85/245.07
  6. Step 6: Final answer
    x = 323.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.