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Finding the Fourth Proportional to 730.08, 1,101.06 and 634.50

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Solution

The fourth proportional to 730.08, 1,101.06 and 634.50 is: 956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.08 : 1,101.06 = 634.50 : x
  2. Step 2: Convert to fraction form
    730.08/1,101.06 = 634.50/x
  3. Step 3: Cross multiply
    730.08x = 1,101.06 × 634.50
  4. Step 4: Simplify right side
    730.08x = 698,622.57
  5. Step 5: Solve for x
    x = 698,622.57/730.08
  6. Step 6: Final answer
    x = 956.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.