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Finding the Fourth Proportional to 341.03, 512.58 and 225.87

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Solution

The fourth proportional to 341.03, 512.58 and 225.87 is: 339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.03 : 512.58 = 225.87 : x
  2. Step 2: Convert to fraction form
    341.03/512.58 = 225.87/x
  3. Step 3: Cross multiply
    341.03x = 512.58 × 225.87
  4. Step 4: Simplify right side
    341.03x = 115,776.44
  5. Step 5: Solve for x
    x = 115,776.44/341.03
  6. Step 6: Final answer
    x = 339.49

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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.