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Finding the Fourth Proportional to 903.00, 1,245.77 and 608.37

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Solution

The fourth proportional to 903.00, 1,245.77 and 608.37 is: 839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.00 : 1,245.77 = 608.37 : x
  2. Step 2: Convert to fraction form
    903.00/1,245.77 = 608.37/x
  3. Step 3: Cross multiply
    903.00x = 1,245.77 × 608.37
  4. Step 4: Simplify right side
    903.00x = 757,884.39
  5. Step 5: Solve for x
    x = 757,884.39/903.00
  6. Step 6: Final answer
    x = 839.29

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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.