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Finding the Fourth Proportional to 351.14, 524.37 and 347.32

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Solution

The fourth proportional to 351.14, 524.37 and 347.32 is: 518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.14 : 524.37 = 347.32 : x
  2. Step 2: Convert to fraction form
    351.14/524.37 = 347.32/x
  3. Step 3: Cross multiply
    351.14x = 524.37 × 347.32
  4. Step 4: Simplify right side
    351.14x = 182,126.15
  5. Step 5: Solve for x
    x = 182,126.15/351.14
  6. Step 6: Final answer
    x = 518.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.