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Finding the Fourth Proportional to 696.87, 955.58 and 673.59

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Solution

The fourth proportional to 696.87, 955.58 and 673.59 is: 923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.87 : 955.58 = 673.59 : x
  2. Step 2: Convert to fraction form
    696.87/955.58 = 673.59/x
  3. Step 3: Cross multiply
    696.87x = 955.58 × 673.59
  4. Step 4: Simplify right side
    696.87x = 643,669.13
  5. Step 5: Solve for x
    x = 643,669.13/696.87
  6. Step 6: Final answer
    x = 923.66

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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.