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Finding the Fourth Proportional to 397.00, 600.21 and 397.00

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Solution

The fourth proportional to 397.00, 600.21 and 397.00 is: 600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.00 : 600.21 = 397.00 : x
  2. Step 2: Convert to fraction form
    397.00/600.21 = 397.00/x
  3. Step 3: Cross multiply
    397.00x = 600.21 × 397.00
  4. Step 4: Simplify right side
    397.00x = 238,284.12
  5. Step 5: Solve for x
    x = 238,284.12/397.00
  6. Step 6: Final answer
    x = 600.21

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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.