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Finding the Fourth Proportional to 336.88, 465.06 and 238.96

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Solution

The fourth proportional to 336.88, 465.06 and 238.96 is: 329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.88 : 465.06 = 238.96 : x
  2. Step 2: Convert to fraction form
    336.88/465.06 = 238.96/x
  3. Step 3: Cross multiply
    336.88x = 465.06 × 238.96
  4. Step 4: Simplify right side
    336.88x = 111,130.74
  5. Step 5: Solve for x
    x = 111,130.74/336.88
  6. Step 6: Final answer
    x = 329.88

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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.