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Finding the Fourth Proportional to 683.52, 943.22 and 373.02

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Solution

The fourth proportional to 683.52, 943.22 and 373.02 is: 514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.52 : 943.22 = 373.02 : x
  2. Step 2: Convert to fraction form
    683.52/943.22 = 373.02/x
  3. Step 3: Cross multiply
    683.52x = 943.22 × 373.02
  4. Step 4: Simplify right side
    683.52x = 351,839.92
  5. Step 5: Solve for x
    x = 351,839.92/683.52
  6. Step 6: Final answer
    x = 514.75

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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.