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Finding the Fourth Proportional to 695.46, 953.50 and 683.22

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Solution

The fourth proportional to 695.46, 953.50 and 683.22 is: 936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.46 : 953.50 = 683.22 : x
  2. Step 2: Convert to fraction form
    695.46/953.50 = 683.22/x
  3. Step 3: Cross multiply
    695.46x = 953.50 × 683.22
  4. Step 4: Simplify right side
    695.46x = 651,450.27
  5. Step 5: Solve for x
    x = 651,450.27/695.46
  6. Step 6: Final answer
    x = 936.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.