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Finding the Fourth Proportional to 335.02, 461.55 and 236.47

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Solution

The fourth proportional to 335.02, 461.55 and 236.47 is: 325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.02 : 461.55 = 236.47 : x
  2. Step 2: Convert to fraction form
    335.02/461.55 = 236.47/x
  3. Step 3: Cross multiply
    335.02x = 461.55 × 236.47
  4. Step 4: Simplify right side
    335.02x = 109,142.73
  5. Step 5: Solve for x
    x = 109,142.73/335.02
  6. Step 6: Final answer
    x = 325.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.