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Finding the Fourth Proportional to 1,101.27, 1,651.41 and 370.65

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Solution

The fourth proportional to 1,101.27, 1,651.41 and 370.65 is: 555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.27 : 1,651.41 = 370.65 : x
  2. Step 2: Convert to fraction form
    1,101.27/1,651.41 = 370.65/x
  3. Step 3: Cross multiply
    1,101.27x = 1,651.41 × 370.65
  4. Step 4: Simplify right side
    1,101.27x = 612,095.12
  5. Step 5: Solve for x
    x = 612,095.12/1,101.27
  6. Step 6: Final answer
    x = 555.81

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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.