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Finding the Fourth Proportional to 355.58, 534.18 and 341

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Solution

The fourth proportional to 355.58, 534.18 and 341 is: 512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.58 : 534.18 = 341 : x
  2. Step 2: Convert to fraction form
    355.58/534.18 = 341/x
  3. Step 3: Cross multiply
    355.58x = 534.18 × 341
  4. Step 4: Simplify right side
    355.58x = 182,155.38
  5. Step 5: Solve for x
    x = 182,155.38/355.58
  6. Step 6: Final answer
    x = 512.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.