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Finding the Fourth Proportional to 351.10, 484.14 and 347.59

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Solution

The fourth proportional to 351.10, 484.14 and 347.59 is: 479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.10 : 484.14 = 347.59 : x
  2. Step 2: Convert to fraction form
    351.10/484.14 = 347.59/x
  3. Step 3: Cross multiply
    351.10x = 484.14 × 347.59
  4. Step 4: Simplify right side
    351.10x = 168,282.22
  5. Step 5: Solve for x
    x = 168,282.22/351.10
  6. Step 6: Final answer
    x = 479.30

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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.