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Finding the Fourth Proportional to 341.91, 513.02 and 251.36

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Solution

The fourth proportional to 341.91, 513.02 and 251.36 is: 377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.91 : 513.02 = 251.36 : x
  2. Step 2: Convert to fraction form
    341.91/513.02 = 251.36/x
  3. Step 3: Cross multiply
    341.91x = 513.02 × 251.36
  4. Step 4: Simplify right side
    341.91x = 128,952.71
  5. Step 5: Solve for x
    x = 128,952.71/341.91
  6. Step 6: Final answer
    x = 377.15

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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.