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Finding the Fourth Proportional to 341.95, 513.13 and 329.40

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Solution

The fourth proportional to 341.95, 513.13 and 329.40 is: 494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.95 : 513.13 = 329.40 : x
  2. Step 2: Convert to fraction form
    341.95/513.13 = 329.40/x
  3. Step 3: Cross multiply
    341.95x = 513.13 × 329.40
  4. Step 4: Simplify right side
    341.95x = 169,025.02
  5. Step 5: Solve for x
    x = 169,025.02/341.95
  6. Step 6: Final answer
    x = 494.30

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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.