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Finding the Fourth Proportional to 683.52, 943.70 and 596.66

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Solution

The fourth proportional to 683.52, 943.70 and 596.66 is: 823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.52 : 943.70 = 596.66 : x
  2. Step 2: Convert to fraction form
    683.52/943.70 = 596.66/x
  3. Step 3: Cross multiply
    683.52x = 943.70 × 596.66
  4. Step 4: Simplify right side
    683.52x = 563,060.34
  5. Step 5: Solve for x
    x = 563,060.34/683.52
  6. Step 6: Final answer
    x = 823.77

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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.