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Finding the Fourth Proportional to 1,200.46, 1,800.60 and 334.84

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Solution

The fourth proportional to 1,200.46, 1,800.60 and 334.84 is: 502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200.46 : 1,800.60 = 334.84 : x
  2. Step 2: Convert to fraction form
    1,200.46/1,800.60 = 334.84/x
  3. Step 3: Cross multiply
    1,200.46x = 1,800.60 × 334.84
  4. Step 4: Simplify right side
    1,200.46x = 602,912.90
  5. Step 5: Solve for x
    x = 602,912.90/1,200.46
  6. Step 6: Final answer
    x = 502.23

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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.