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Finding the Fourth Proportional to 1,033.75, 1,548.19 and 790.75

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Solution

The fourth proportional to 1,033.75, 1,548.19 and 790.75 is: 1,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.75 : 1,548.19 = 790.75 : x
  2. Step 2: Convert to fraction form
    1,033.75/1,548.19 = 790.75/x
  3. Step 3: Cross multiply
    1,033.75x = 1,548.19 × 790.75
  4. Step 4: Simplify right side
    1,033.75x = 1,224,231.24
  5. Step 5: Solve for x
    x = 1,224,231.24/1,033.75
  6. Step 6: Final answer
    x = 1,184.26

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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.