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Finding the Fourth Proportional to 1,229.70, 1,844.01 and 536.04

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Solution

The fourth proportional to 1,229.70, 1,844.01 and 536.04 is: 803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.70 : 1,844.01 = 536.04 : x
  2. Step 2: Convert to fraction form
    1,229.70/1,844.01 = 536.04/x
  3. Step 3: Cross multiply
    1,229.70x = 1,844.01 × 536.04
  4. Step 4: Simplify right side
    1,229.70x = 988,463.12
  5. Step 5: Solve for x
    x = 988,463.12/1,229.70
  6. Step 6: Final answer
    x = 803.82

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Why These Related Problems?

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