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Finding the Fourth Proportional to 1,082.01, 1,620.98 and 533.55

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Solution

The fourth proportional to 1,082.01, 1,620.98 and 533.55 is: 799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.01 : 1,620.98 = 533.55 : x
  2. Step 2: Convert to fraction form
    1,082.01/1,620.98 = 533.55/x
  3. Step 3: Cross multiply
    1,082.01x = 1,620.98 × 533.55
  4. Step 4: Simplify right side
    1,082.01x = 864,871.21
  5. Step 5: Solve for x
    x = 864,871.21/1,082.01
  6. Step 6: Final answer
    x = 799.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.