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Finding the Fourth Proportional to 692.06, 954.83 and 657.42

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Solution

The fourth proportional to 692.06, 954.83 and 657.42 is: 907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.06 : 954.83 = 657.42 : x
  2. Step 2: Convert to fraction form
    692.06/954.83 = 657.42/x
  3. Step 3: Cross multiply
    692.06x = 954.83 × 657.42
  4. Step 4: Simplify right side
    692.06x = 627,721.05
  5. Step 5: Solve for x
    x = 627,721.05/692.06
  6. Step 6: Final answer
    x = 907.04

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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.