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Finding the Fourth Proportional to 737.01, 1,105.07 and 645.93

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Solution

The fourth proportional to 737.01, 1,105.07 and 645.93 is: 968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.01 : 1,105.07 = 645.93 : x
  2. Step 2: Convert to fraction form
    737.01/1,105.07 = 645.93/x
  3. Step 3: Cross multiply
    737.01x = 1,105.07 × 645.93
  4. Step 4: Simplify right side
    737.01x = 713,794.64
  5. Step 5: Solve for x
    x = 713,794.64/737.01
  6. Step 6: Final answer
    x = 968.50

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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.