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Finding the Fourth Proportional to 838.67, 1,156.98 and 544.04

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Solution

The fourth proportional to 838.67, 1,156.98 and 544.04 is: 750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    838.67 : 1,156.98 = 544.04 : x
  2. Step 2: Convert to fraction form
    838.67/1,156.98 = 544.04/x
  3. Step 3: Cross multiply
    838.67x = 1,156.98 × 544.04
  4. Step 4: Simplify right side
    838.67x = 629,443.40
  5. Step 5: Solve for x
    x = 629,443.40/838.67
  6. Step 6: Final answer
    x = 750.53

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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.