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Finding the Fourth Proportional to 337.84, 465.87 and 239.56

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Solution

The fourth proportional to 337.84, 465.87 and 239.56 is: 330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.84 : 465.87 = 239.56 : x
  2. Step 2: Convert to fraction form
    337.84/465.87 = 239.56/x
  3. Step 3: Cross multiply
    337.84x = 465.87 × 239.56
  4. Step 4: Simplify right side
    337.84x = 111,603.82
  5. Step 5: Solve for x
    x = 111,603.82/337.84
  6. Step 6: Final answer
    x = 330.35

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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.