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Finding the Fourth Proportional to 730.42, 1,097.52 and 683.02

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Solution

The fourth proportional to 730.42, 1,097.52 and 683.02 is: 1,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.42 : 1,097.52 = 683.02 : x
  2. Step 2: Convert to fraction form
    730.42/1,097.52 = 683.02/x
  3. Step 3: Cross multiply
    730.42x = 1,097.52 × 683.02
  4. Step 4: Simplify right side
    730.42x = 749,628.11
  5. Step 5: Solve for x
    x = 749,628.11/730.42
  6. Step 6: Final answer
    x = 1,026.30

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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.