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Finding the Fourth Proportional to 325.96, 450.01 and 215.62

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Solution

The fourth proportional to 325.96, 450.01 and 215.62 is: 297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.96 : 450.01 = 215.62 : x
  2. Step 2: Convert to fraction form
    325.96/450.01 = 215.62/x
  3. Step 3: Cross multiply
    325.96x = 450.01 × 215.62
  4. Step 4: Simplify right side
    325.96x = 97,032.25
  5. Step 5: Solve for x
    x = 97,032.25/325.96
  6. Step 6: Final answer
    x = 297.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.