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Finding the Fourth Proportional to 737.58, 1,107.09 and 602.22

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Solution

The fourth proportional to 737.58, 1,107.09 and 602.22 is: 903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.58 : 1,107.09 = 602.22 : x
  2. Step 2: Convert to fraction form
    737.58/1,107.09 = 602.22/x
  3. Step 3: Cross multiply
    737.58x = 1,107.09 × 602.22
  4. Step 4: Simplify right side
    737.58x = 666,711.74
  5. Step 5: Solve for x
    x = 666,711.74/737.58
  6. Step 6: Final answer
    x = 903.92

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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.