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Finding the Fourth Proportional to 941.59, 1,413.11 and 531.09

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Solution

The fourth proportional to 941.59, 1,413.11 and 531.09 is: 797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.59 : 1,413.11 = 531.09 : x
  2. Step 2: Convert to fraction form
    941.59/1,413.11 = 531.09/x
  3. Step 3: Cross multiply
    941.59x = 1,413.11 × 531.09
  4. Step 4: Simplify right side
    941.59x = 750,489.92
  5. Step 5: Solve for x
    x = 750,489.92/941.59
  6. Step 6: Final answer
    x = 797.04

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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.