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Finding the Fourth Proportional to 730.67, 1,094.96 and 383.31

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Solution

The fourth proportional to 730.67, 1,094.96 and 383.31 is: 574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.67 : 1,094.96 = 383.31 : x
  2. Step 2: Convert to fraction form
    730.67/1,094.96 = 383.31/x
  3. Step 3: Cross multiply
    730.67x = 1,094.96 × 383.31
  4. Step 4: Simplify right side
    730.67x = 419,707.20
  5. Step 5: Solve for x
    x = 419,707.20/730.67
  6. Step 6: Final answer
    x = 574.42

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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.