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Finding the Fourth Proportional to 705.05, 967.43 and 692.75

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Solution

The fourth proportional to 705.05, 967.43 and 692.75 is: 950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.05 : 967.43 = 692.75 : x
  2. Step 2: Convert to fraction form
    705.05/967.43 = 692.75/x
  3. Step 3: Cross multiply
    705.05x = 967.43 × 692.75
  4. Step 4: Simplify right side
    705.05x = 670,184.51
  5. Step 5: Solve for x
    x = 670,184.51/705.05
  6. Step 6: Final answer
    x = 950.55

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Double scale
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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.