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Finding the Fourth Proportional to 600.09, 900.23 and 215.25

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Solution

The fourth proportional to 600.09, 900.23 and 215.25 is: 322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.09 : 900.23 = 215.25 : x
  2. Step 2: Convert to fraction form
    600.09/900.23 = 215.25/x
  3. Step 3: Cross multiply
    600.09x = 900.23 × 215.25
  4. Step 4: Simplify right side
    600.09x = 193,773.43
  5. Step 5: Solve for x
    x = 193,773.43/600.09
  6. Step 6: Final answer
    x = 322.91

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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.