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Finding the Fourth Proportional to 1,093.61, 1,509.21 and 596.27

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Solution

The fourth proportional to 1,093.61, 1,509.21 and 596.27 is: 822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.61 : 1,509.21 = 596.27 : x
  2. Step 2: Convert to fraction form
    1,093.61/1,509.21 = 596.27/x
  3. Step 3: Cross multiply
    1,093.61x = 1,509.21 × 596.27
  4. Step 4: Simplify right side
    1,093.61x = 899,889.10
  5. Step 5: Solve for x
    x = 899,889.10/1,093.61
  6. Step 6: Final answer
    x = 822.86

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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.