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Finding the Fourth Proportional to 1,798.67, 2,698.26 and 565.66

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Solution

The fourth proportional to 1,798.67, 2,698.26 and 565.66 is: 848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.67 : 2,698.26 = 565.66 : x
  2. Step 2: Convert to fraction form
    1,798.67/2,698.26 = 565.66/x
  3. Step 3: Cross multiply
    1,798.67x = 2,698.26 × 565.66
  4. Step 4: Simplify right side
    1,798.67x = 1,526,297.75
  5. Step 5: Solve for x
    x = 1,526,297.75/1,798.67
  6. Step 6: Final answer
    x = 848.57

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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.