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Finding the Fourth Proportional to 1,036.14, 1,553.47 and 488.04

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Solution

The fourth proportional to 1,036.14, 1,553.47 and 488.04 is: 731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.14 : 1,553.47 = 488.04 : x
  2. Step 2: Convert to fraction form
    1,036.14/1,553.47 = 488.04/x
  3. Step 3: Cross multiply
    1,036.14x = 1,553.47 × 488.04
  4. Step 4: Simplify right side
    1,036.14x = 758,155.50
  5. Step 5: Solve for x
    x = 758,155.50/1,036.14
  6. Step 6: Final answer
    x = 731.71

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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.