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Finding the Fourth Proportional to 736.63, 1,104.33 and 346.41

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Solution

The fourth proportional to 736.63, 1,104.33 and 346.41 is: 519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.63 : 1,104.33 = 346.41 : x
  2. Step 2: Convert to fraction form
    736.63/1,104.33 = 346.41/x
  3. Step 3: Cross multiply
    736.63x = 1,104.33 × 346.41
  4. Step 4: Simplify right side
    736.63x = 382,552.25
  5. Step 5: Solve for x
    x = 382,552.25/736.63
  6. Step 6: Final answer
    x = 519.33

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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.