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Finding the Fourth Proportional to 334.11, 503.15 and 303.39

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Solution

The fourth proportional to 334.11, 503.15 and 303.39 is: 456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.11 : 503.15 = 303.39 : x
  2. Step 2: Convert to fraction form
    334.11/503.15 = 303.39/x
  3. Step 3: Cross multiply
    334.11x = 503.15 × 303.39
  4. Step 4: Simplify right side
    334.11x = 152,651.44
  5. Step 5: Solve for x
    x = 152,651.44/334.11
  6. Step 6: Final answer
    x = 456.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.