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Finding the Fourth Proportional to 734.07, 1,101.10 and 186.25

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Solution

The fourth proportional to 734.07, 1,101.10 and 186.25 is: 279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.07 : 1,101.10 = 186.25 : x
  2. Step 2: Convert to fraction form
    734.07/1,101.10 = 186.25/x
  3. Step 3: Cross multiply
    734.07x = 1,101.10 × 186.25
  4. Step 4: Simplify right side
    734.07x = 205,074.37
  5. Step 5: Solve for x
    x = 205,074.37/734.07
  6. Step 6: Final answer
    x = 279.37

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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.