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Finding the Fourth Proportional to 349.07, 519.48 and 336.11

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Solution

The fourth proportional to 349.07, 519.48 and 336.11 is: 500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.07 : 519.48 = 336.11 : x
  2. Step 2: Convert to fraction form
    349.07/519.48 = 336.11/x
  3. Step 3: Cross multiply
    349.07x = 519.48 × 336.11
  4. Step 4: Simplify right side
    349.07x = 174,599.83
  5. Step 5: Solve for x
    x = 174,599.83/349.07
  6. Step 6: Final answer
    x = 500.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.