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Finding the Fourth Proportional to 352.86, 487 and 341.48

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Solution

The fourth proportional to 352.86, 487 and 341.48 is: 471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.86 : 487 = 341.48 : x
  2. Step 2: Convert to fraction form
    352.86/487 = 341.48/x
  3. Step 3: Cross multiply
    352.86x = 487 × 341.48
  4. Step 4: Simplify right side
    352.86x = 166,300.76
  5. Step 5: Solve for x
    x = 166,300.76/352.86
  6. Step 6: Final answer
    x = 471.29

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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.