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Finding the Fourth Proportional to 730.36, 1,007.22 and 468.04

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Solution

The fourth proportional to 730.36, 1,007.22 and 468.04 is: 645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.36 : 1,007.22 = 468.04 : x
  2. Step 2: Convert to fraction form
    730.36/1,007.22 = 468.04/x
  3. Step 3: Cross multiply
    730.36x = 1,007.22 × 468.04
  4. Step 4: Simplify right side
    730.36x = 471,419.25
  5. Step 5: Solve for x
    x = 471,419.25/730.36
  6. Step 6: Final answer
    x = 645.46

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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.