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Finding the Fourth Proportional to 346.76, 519.12 and 323.36

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Solution

The fourth proportional to 346.76, 519.12 and 323.36 is: 484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.76 : 519.12 = 323.36 : x
  2. Step 2: Convert to fraction form
    346.76/519.12 = 323.36/x
  3. Step 3: Cross multiply
    346.76x = 519.12 × 323.36
  4. Step 4: Simplify right side
    346.76x = 167,862.64
  5. Step 5: Solve for x
    x = 167,862.64/346.76
  6. Step 6: Final answer
    x = 484.09

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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.