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Finding the Fourth Proportional to 599.98, 900.10 and 326.32

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Solution

The fourth proportional to 599.98, 900.10 and 326.32 is: 489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.98 : 900.10 = 326.32 : x
  2. Step 2: Convert to fraction form
    599.98/900.10 = 326.32/x
  3. Step 3: Cross multiply
    599.98x = 900.10 × 326.32
  4. Step 4: Simplify right side
    599.98x = 293,720.63
  5. Step 5: Solve for x
    x = 293,720.63/599.98
  6. Step 6: Final answer
    x = 489.55

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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.