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Finding the Fourth Proportional to 1,136.00, 1,703.14 and 443.16

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Solution

The fourth proportional to 1,136.00, 1,703.14 and 443.16 is: 664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.00 : 1,703.14 = 443.16 : x
  2. Step 2: Convert to fraction form
    1,136.00/1,703.14 = 443.16/x
  3. Step 3: Cross multiply
    1,136.00x = 1,703.14 × 443.16
  4. Step 4: Simplify right side
    1,136.00x = 754,755.05
  5. Step 5: Solve for x
    x = 754,755.05/1,136.00
  6. Step 6: Final answer
    x = 664.40

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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.