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Finding the Fourth Proportional to 630.01, 943.02 and 513.46

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Solution

The fourth proportional to 630.01, 943.02 and 513.46 is: 768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.01 : 943.02 = 513.46 : x
  2. Step 2: Convert to fraction form
    630.01/943.02 = 513.46/x
  3. Step 3: Cross multiply
    630.01x = 943.02 × 513.46
  4. Step 4: Simplify right side
    630.01x = 484,203.05
  5. Step 5: Solve for x
    x = 484,203.05/630.01
  6. Step 6: Final answer
    x = 768.56

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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.