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Finding the Fourth Proportional to 335.61, 503.58 and 181.37

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Solution

The fourth proportional to 335.61, 503.58 and 181.37 is: 272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.61 : 503.58 = 181.37 : x
  2. Step 2: Convert to fraction form
    335.61/503.58 = 181.37/x
  3. Step 3: Cross multiply
    335.61x = 503.58 × 181.37
  4. Step 4: Simplify right side
    335.61x = 91,331.79
  5. Step 5: Solve for x
    x = 91,331.79/335.61
  6. Step 6: Final answer
    x = 272.14

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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.