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Finding the Fourth Proportional to 845.00, 1,166.13 and 596.40

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Solution

The fourth proportional to 845.00, 1,166.13 and 596.40 is: 823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.00 : 1,166.13 = 596.40 : x
  2. Step 2: Convert to fraction form
    845.00/1,166.13 = 596.40/x
  3. Step 3: Cross multiply
    845.00x = 1,166.13 × 596.40
  4. Step 4: Simplify right side
    845.00x = 695,475.56
  5. Step 5: Solve for x
    x = 695,475.56/845.00
  6. Step 6: Final answer
    x = 823.05

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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.