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Finding the Fourth Proportional to 335.41, 503.10 and 277.09

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Solution

The fourth proportional to 335.41, 503.10 and 277.09 is: 415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.41 : 503.10 = 277.09 : x
  2. Step 2: Convert to fraction form
    335.41/503.10 = 277.09/x
  3. Step 3: Cross multiply
    335.41x = 503.10 × 277.09
  4. Step 4: Simplify right side
    335.41x = 139,403.98
  5. Step 5: Solve for x
    x = 139,403.98/335.41
  6. Step 6: Final answer
    x = 415.62

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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.