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Finding the Fourth Proportional to 683.60, 943.34 and 373.10

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Solution

The fourth proportional to 683.60, 943.34 and 373.10 is: 514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.60 : 943.34 = 373.10 : x
  2. Step 2: Convert to fraction form
    683.60/943.34 = 373.10/x
  3. Step 3: Cross multiply
    683.60x = 943.34 × 373.10
  4. Step 4: Simplify right side
    683.60x = 351,953.57
  5. Step 5: Solve for x
    x = 351,953.57/683.60
  6. Step 6: Final answer
    x = 514.86

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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.