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Finding the Fourth Proportional to 325.33, 448.88 and 214.99

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Solution

The fourth proportional to 325.33, 448.88 and 214.99 is: 296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.33 : 448.88 = 214.99 : x
  2. Step 2: Convert to fraction form
    325.33/448.88 = 214.99/x
  3. Step 3: Cross multiply
    325.33x = 448.88 × 214.99
  4. Step 4: Simplify right side
    325.33x = 96,502.51
  5. Step 5: Solve for x
    x = 96,502.51/325.33
  6. Step 6: Final answer
    x = 296.63

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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.