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Finding the Fourth Proportional to 325.58, 486.45 and 241.84

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Solution

The fourth proportional to 325.58, 486.45 and 241.84 is: 361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.58 : 486.45 = 241.84 : x
  2. Step 2: Convert to fraction form
    325.58/486.45 = 241.84/x
  3. Step 3: Cross multiply
    325.58x = 486.45 × 241.84
  4. Step 4: Simplify right side
    325.58x = 117,640.26
  5. Step 5: Solve for x
    x = 117,640.26/325.58
  6. Step 6: Final answer
    x = 361.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.