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Finding the Fourth Proportional to 1,062.09, 1,465.60 and 596.25

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Solution

The fourth proportional to 1,062.09, 1,465.60 and 596.25 is: 822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.09 : 1,465.60 = 596.25 : x
  2. Step 2: Convert to fraction form
    1,062.09/1,465.60 = 596.25/x
  3. Step 3: Cross multiply
    1,062.09x = 1,465.60 × 596.25
  4. Step 4: Simplify right side
    1,062.09x = 873,864
  5. Step 5: Solve for x
    x = 873,864/1,062.09
  6. Step 6: Final answer
    x = 822.78

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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.