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Finding the Fourth Proportional to 599.94, 900.21 and 275.25

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Solution

The fourth proportional to 599.94, 900.21 and 275.25 is: 413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.94 : 900.21 = 275.25 : x
  2. Step 2: Convert to fraction form
    599.94/900.21 = 275.25/x
  3. Step 3: Cross multiply
    599.94x = 900.21 × 275.25
  4. Step 4: Simplify right side
    599.94x = 247,782.80
  5. Step 5: Solve for x
    x = 247,782.80/599.94
  6. Step 6: Final answer
    x = 413.01

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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.