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Finding the Fourth Proportional to 737.52, 1,018.22 and 655.52

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Solution

The fourth proportional to 737.52, 1,018.22 and 655.52 is: 905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.52 : 1,018.22 = 655.52 : x
  2. Step 2: Convert to fraction form
    737.52/1,018.22 = 655.52/x
  3. Step 3: Cross multiply
    737.52x = 1,018.22 × 655.52
  4. Step 4: Simplify right side
    737.52x = 667,455.21
  5. Step 5: Solve for x
    x = 667,455.21/737.52
  6. Step 6: Final answer
    x = 905.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.