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Finding the Fourth Proportional to 737.37, 1,017.03 and 684.81

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Solution

The fourth proportional to 737.37, 1,017.03 and 684.81 is: 944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.37 : 1,017.03 = 684.81 : x
  2. Step 2: Convert to fraction form
    737.37/1,017.03 = 684.81/x
  3. Step 3: Cross multiply
    737.37x = 1,017.03 × 684.81
  4. Step 4: Simplify right side
    737.37x = 696,472.31
  5. Step 5: Solve for x
    x = 696,472.31/737.37
  6. Step 6: Final answer
    x = 944.54

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1.5x scale

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.