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Finding the Fourth Proportional to 336.14, 503.39 and 297.66

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Solution

The fourth proportional to 336.14, 503.39 and 297.66 is: 445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.14 : 503.39 = 297.66 : x
  2. Step 2: Convert to fraction form
    336.14/503.39 = 297.66/x
  3. Step 3: Cross multiply
    336.14x = 503.39 × 297.66
  4. Step 4: Simplify right side
    336.14x = 149,839.07
  5. Step 5: Solve for x
    x = 149,839.07/336.14
  6. Step 6: Final answer
    x = 445.76

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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.