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Finding the Fourth Proportional to 374.11, 559.11 and 344.92

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Solution

The fourth proportional to 374.11, 559.11 and 344.92 is: 515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.11 : 559.11 = 344.92 : x
  2. Step 2: Convert to fraction form
    374.11/559.11 = 344.92/x
  3. Step 3: Cross multiply
    374.11x = 559.11 × 344.92
  4. Step 4: Simplify right side
    374.11x = 192,848.22
  5. Step 5: Solve for x
    x = 192,848.22/374.11
  6. Step 6: Final answer
    x = 515.49

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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.