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Finding the Fourth Proportional to 736.14, 1,104.39 and 303.18

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Solution

The fourth proportional to 736.14, 1,104.39 and 303.18 is: 454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.14 : 1,104.39 = 303.18 : x
  2. Step 2: Convert to fraction form
    736.14/1,104.39 = 303.18/x
  3. Step 3: Cross multiply
    736.14x = 1,104.39 × 303.18
  4. Step 4: Simplify right side
    736.14x = 334,828.96
  5. Step 5: Solve for x
    x = 334,828.96/736.14
  6. Step 6: Final answer
    x = 454.84

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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.