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Finding the Fourth Proportional to 945.44, 1,304.12 and 596.08

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Solution

The fourth proportional to 945.44, 1,304.12 and 596.08 is: 822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.44 : 1,304.12 = 596.08 : x
  2. Step 2: Convert to fraction form
    945.44/1,304.12 = 596.08/x
  3. Step 3: Cross multiply
    945.44x = 1,304.12 × 596.08
  4. Step 4: Simplify right side
    945.44x = 777,359.85
  5. Step 5: Solve for x
    x = 777,359.85/945.44
  6. Step 6: Final answer
    x = 822.22

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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.