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Finding the Fourth Proportional to 888.80, 1,334.36 and 597.60

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Solution

The fourth proportional to 888.80, 1,334.36 and 597.60 is: 897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.80 : 1,334.36 = 597.60 : x
  2. Step 2: Convert to fraction form
    888.80/1,334.36 = 597.60/x
  3. Step 3: Cross multiply
    888.80x = 1,334.36 × 597.60
  4. Step 4: Simplify right side
    888.80x = 797,413.88
  5. Step 5: Solve for x
    x = 797,413.88/888.80
  6. Step 6: Final answer
    x = 897.18

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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.