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Finding the Fourth Proportional to 1,093.89, 1,641.05 and 363.52

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Solution

The fourth proportional to 1,093.89, 1,641.05 and 363.52 is: 545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.89 : 1,641.05 = 363.52 : x
  2. Step 2: Convert to fraction form
    1,093.89/1,641.05 = 363.52/x
  3. Step 3: Cross multiply
    1,093.89x = 1,641.05 × 363.52
  4. Step 4: Simplify right side
    1,093.89x = 596,554.50
  5. Step 5: Solve for x
    x = 596,554.50/1,093.89
  6. Step 6: Final answer
    x = 545.35

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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.