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Finding the Fourth Proportional to 737.14, 1,106.10 and 326.56

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Solution

The fourth proportional to 737.14, 1,106.10 and 326.56 is: 490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.14 : 1,106.10 = 326.56 : x
  2. Step 2: Convert to fraction form
    737.14/1,106.10 = 326.56/x
  3. Step 3: Cross multiply
    737.14x = 1,106.10 × 326.56
  4. Step 4: Simplify right side
    737.14x = 361,209.40
  5. Step 5: Solve for x
    x = 361,209.40/737.14
  6. Step 6: Final answer
    x = 490.01

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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.