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Finding the Fourth Proportional to 696.32, 958.73 and 591.19

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Solution

The fourth proportional to 696.32, 958.73 and 591.19 is: 813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.32 : 958.73 = 591.19 : x
  2. Step 2: Convert to fraction form
    696.32/958.73 = 591.19/x
  3. Step 3: Cross multiply
    696.32x = 958.73 × 591.19
  4. Step 4: Simplify right side
    696.32x = 566,791.59
  5. Step 5: Solve for x
    x = 566,791.59/696.32
  6. Step 6: Final answer
    x = 813.98

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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.