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Finding the Fourth Proportional to 351.90, 483.59 and 335.84

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Solution

The fourth proportional to 351.90, 483.59 and 335.84 is: 461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.90 : 483.59 = 335.84 : x
  2. Step 2: Convert to fraction form
    351.90/483.59 = 335.84/x
  3. Step 3: Cross multiply
    351.90x = 483.59 × 335.84
  4. Step 4: Simplify right side
    351.90x = 162,407.29
  5. Step 5: Solve for x
    x = 162,407.29/351.90
  6. Step 6: Final answer
    x = 461.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.