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Finding the Fourth Proportional to 1,010.50, 1,394.49 and 596.74

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Solution

The fourth proportional to 1,010.50, 1,394.49 and 596.74 is: 823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.50 : 1,394.49 = 596.74 : x
  2. Step 2: Convert to fraction form
    1,010.50/1,394.49 = 596.74/x
  3. Step 3: Cross multiply
    1,010.50x = 1,394.49 × 596.74
  4. Step 4: Simplify right side
    1,010.50x = 832,147.96
  5. Step 5: Solve for x
    x = 832,147.96/1,010.50
  6. Step 6: Final answer
    x = 823.50

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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.