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Finding the Fourth Proportional to 346.76, 521.12 and 323.37

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Solution

The fourth proportional to 346.76, 521.12 and 323.37 is: 485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.76 : 521.12 = 323.37 : x
  2. Step 2: Convert to fraction form
    346.76/521.12 = 323.37/x
  3. Step 3: Cross multiply
    346.76x = 521.12 × 323.37
  4. Step 4: Simplify right side
    346.76x = 168,512.96
  5. Step 5: Solve for x
    x = 168,512.96/346.76
  6. Step 6: Final answer
    x = 485.97

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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.