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Finding the Fourth Proportional to 643.33, 962.56 and 504.01

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Solution

The fourth proportional to 643.33, 962.56 and 504.01 is: 754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    643.33 : 962.56 = 504.01 : x
  2. Step 2: Convert to fraction form
    643.33/962.56 = 504.01/x
  3. Step 3: Cross multiply
    643.33x = 962.56 × 504.01
  4. Step 4: Simplify right side
    643.33x = 485,138.09
  5. Step 5: Solve for x
    x = 485,138.09/643.33
  6. Step 6: Final answer
    x = 754.11

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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.