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Finding the Fourth Proportional to 622.77, 935.37 and 484.26

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Solution

The fourth proportional to 622.77, 935.37 and 484.26 is: 727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.77 : 935.37 = 484.26 : x
  2. Step 2: Convert to fraction form
    622.77/935.37 = 484.26/x
  3. Step 3: Cross multiply
    622.77x = 935.37 × 484.26
  4. Step 4: Simplify right side
    622.77x = 452,962.28
  5. Step 5: Solve for x
    x = 452,962.28/622.77
  6. Step 6: Final answer
    x = 727.33

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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.