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Finding the Fourth Proportional to 436.01, 601.73 and 239.56

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Solution

The fourth proportional to 436.01, 601.73 and 239.56 is: 330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.01 : 601.73 = 239.56 : x
  2. Step 2: Convert to fraction form
    436.01/601.73 = 239.56/x
  3. Step 3: Cross multiply
    436.01x = 601.73 × 239.56
  4. Step 4: Simplify right side
    436.01x = 144,150.44
  5. Step 5: Solve for x
    x = 144,150.44/436.01
  6. Step 6: Final answer
    x = 330.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.