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Finding the Fourth Proportional to 341.87, 513.09 and 239.36

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Solution

The fourth proportional to 341.87, 513.09 and 239.36 is: 359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.87 : 513.09 = 239.36 : x
  2. Step 2: Convert to fraction form
    341.87/513.09 = 239.36/x
  3. Step 3: Cross multiply
    341.87x = 513.09 × 239.36
  4. Step 4: Simplify right side
    341.87x = 122,814.51
  5. Step 5: Solve for x
    x = 122,814.51/341.87
  6. Step 6: Final answer
    x = 359.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.