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Finding the Fourth Proportional to 730.09, 1,093.22 and 583.16

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Solution

The fourth proportional to 730.09, 1,093.22 and 583.16 is: 873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.09 : 1,093.22 = 583.16 : x
  2. Step 2: Convert to fraction form
    730.09/1,093.22 = 583.16/x
  3. Step 3: Cross multiply
    730.09x = 1,093.22 × 583.16
  4. Step 4: Simplify right side
    730.09x = 637,519.26
  5. Step 5: Solve for x
    x = 637,519.26/730.09
  6. Step 6: Final answer
    x = 873.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.