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Finding the Fourth Proportional to 734.15, 1,101.23 and 186.34

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Solution

The fourth proportional to 734.15, 1,101.23 and 186.34 is: 279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.15 : 1,101.23 = 186.34 : x
  2. Step 2: Convert to fraction form
    734.15/1,101.23 = 186.34/x
  3. Step 3: Cross multiply
    734.15x = 1,101.23 × 186.34
  4. Step 4: Simplify right side
    734.15x = 205,203.20
  5. Step 5: Solve for x
    x = 205,203.20/734.15
  6. Step 6: Final answer
    x = 279.51

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Double scale
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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.