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Finding the Fourth Proportional to 600.64, 829.21 and 415.12

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Solution

The fourth proportional to 600.64, 829.21 and 415.12 is: 573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.64 : 829.21 = 415.12 : x
  2. Step 2: Convert to fraction form
    600.64/829.21 = 415.12/x
  3. Step 3: Cross multiply
    600.64x = 829.21 × 415.12
  4. Step 4: Simplify right side
    600.64x = 344,222.69
  5. Step 5: Solve for x
    x = 344,222.69/600.64
  6. Step 6: Final answer
    x = 573.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.