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Finding the Fourth Proportional to 599.68, 899.12 and 214.88

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Solution

The fourth proportional to 599.68, 899.12 and 214.88 is: 322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.68 : 899.12 = 214.88 : x
  2. Step 2: Convert to fraction form
    599.68/899.12 = 214.88/x
  3. Step 3: Cross multiply
    599.68x = 899.12 × 214.88
  4. Step 4: Simplify right side
    599.68x = 193,202.91
  5. Step 5: Solve for x
    x = 193,202.91/599.68
  6. Step 6: Final answer
    x = 322.18

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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.