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Finding the Fourth Proportional to 336.05, 503.93 and 243.98

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Solution

The fourth proportional to 336.05, 503.93 and 243.98 is: 365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.05 : 503.93 = 243.98 : x
  2. Step 2: Convert to fraction form
    336.05/503.93 = 243.98/x
  3. Step 3: Cross multiply
    336.05x = 503.93 × 243.98
  4. Step 4: Simplify right side
    336.05x = 122,945.10
  5. Step 5: Solve for x
    x = 122,945.10/336.05
  6. Step 6: Final answer
    x = 365.86

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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.