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Finding the Fourth Proportional to 716.32, 993.16 and 692.32

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Solution

The fourth proportional to 716.32, 993.16 and 692.32 is: 959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.32 : 993.16 = 692.32 : x
  2. Step 2: Convert to fraction form
    716.32/993.16 = 692.32/x
  3. Step 3: Cross multiply
    716.32x = 993.16 × 692.32
  4. Step 4: Simplify right side
    716.32x = 687,584.53
  5. Step 5: Solve for x
    x = 687,584.53/716.32
  6. Step 6: Final answer
    x = 959.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.