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Finding the Fourth Proportional to 351.13, 484.57 and 335.56

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Solution

The fourth proportional to 351.13, 484.57 and 335.56 is: 463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.13 : 484.57 = 335.56 : x
  2. Step 2: Convert to fraction form
    351.13/484.57 = 335.56/x
  3. Step 3: Cross multiply
    351.13x = 484.57 × 335.56
  4. Step 4: Simplify right side
    351.13x = 162,602.31
  5. Step 5: Solve for x
    x = 162,602.31/351.13
  6. Step 6: Final answer
    x = 463.08

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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.