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Finding the Fourth Proportional to 397.95, 599.94 and 374.46

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Solution

The fourth proportional to 397.95, 599.94 and 374.46 is: 564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.95 : 599.94 = 374.46 : x
  2. Step 2: Convert to fraction form
    397.95/599.94 = 374.46/x
  3. Step 3: Cross multiply
    397.95x = 599.94 × 374.46
  4. Step 4: Simplify right side
    397.95x = 224,653.53
  5. Step 5: Solve for x
    x = 224,653.53/397.95
  6. Step 6: Final answer
    x = 564.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.