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Finding the Fourth Proportional to 737.54, 1,097.01 and 671.79

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Solution

The fourth proportional to 737.54, 1,097.01 and 671.79 is: 999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.54 : 1,097.01 = 671.79 : x
  2. Step 2: Convert to fraction form
    737.54/1,097.01 = 671.79/x
  3. Step 3: Cross multiply
    737.54x = 1,097.01 × 671.79
  4. Step 4: Simplify right side
    737.54x = 736,964.46
  5. Step 5: Solve for x
    x = 736,964.46/737.54
  6. Step 6: Final answer
    x = 999.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.