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Finding the Fourth Proportional to 941.44, 1,299.03 and 568.41

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Solution

The fourth proportional to 941.44, 1,299.03 and 568.41 is: 784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.44 : 1,299.03 = 568.41 : x
  2. Step 2: Convert to fraction form
    941.44/1,299.03 = 568.41/x
  3. Step 3: Cross multiply
    941.44x = 1,299.03 × 568.41
  4. Step 4: Simplify right side
    941.44x = 738,381.64
  5. Step 5: Solve for x
    x = 738,381.64/941.44
  6. Step 6: Final answer
    x = 784.31

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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.