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Finding the Fourth Proportional to 335.99, 503.96 and 92.54

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Solution

The fourth proportional to 335.99, 503.96 and 92.54 is: 138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.99 : 503.96 = 92.54 : x
  2. Step 2: Convert to fraction form
    335.99/503.96 = 92.54/x
  3. Step 3: Cross multiply
    335.99x = 503.96 × 92.54
  4. Step 4: Simplify right side
    335.99x = 46,637.26
  5. Step 5: Solve for x
    x = 46,637.26/335.99
  6. Step 6: Final answer
    x = 138.80

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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.