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Finding the Fourth Proportional to 630.05, 944.52 and 356.54

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Solution

The fourth proportional to 630.05, 944.52 and 356.54 is: 534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.05 : 944.52 = 356.54 : x
  2. Step 2: Convert to fraction form
    630.05/944.52 = 356.54/x
  3. Step 3: Cross multiply
    630.05x = 944.52 × 356.54
  4. Step 4: Simplify right side
    630.05x = 336,754.44
  5. Step 5: Solve for x
    x = 336,754.44/630.05
  6. Step 6: Final answer
    x = 534.49

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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.