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Finding the Fourth Proportional to 346.34, 518.70 and 183.54

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Solution

The fourth proportional to 346.34, 518.70 and 183.54 is: 274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.34 : 518.70 = 183.54 : x
  2. Step 2: Convert to fraction form
    346.34/518.70 = 183.54/x
  3. Step 3: Cross multiply
    346.34x = 518.70 × 183.54
  4. Step 4: Simplify right side
    346.34x = 95,202.20
  5. Step 5: Solve for x
    x = 95,202.20/346.34
  6. Step 6: Final answer
    x = 274.88

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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.