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Finding the Fourth Proportional to 1,094.82, 1,642.17 and 273.08

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Solution

The fourth proportional to 1,094.82, 1,642.17 and 273.08 is: 409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.82 : 1,642.17 = 273.08 : x
  2. Step 2: Convert to fraction form
    1,094.82/1,642.17 = 273.08/x
  3. Step 3: Cross multiply
    1,094.82x = 1,642.17 × 273.08
  4. Step 4: Simplify right side
    1,094.82x = 448,435.57
  5. Step 5: Solve for x
    x = 448,435.57/1,094.82
  6. Step 6: Final answer
    x = 409.60

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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.