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Finding the Fourth Proportional to 367.48, 553.75 and 331.84

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Solution

The fourth proportional to 367.48, 553.75 and 331.84 is: 500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.48 : 553.75 = 331.84 : x
  2. Step 2: Convert to fraction form
    367.48/553.75 = 331.84/x
  3. Step 3: Cross multiply
    367.48x = 553.75 × 331.84
  4. Step 4: Simplify right side
    367.48x = 183,756.40
  5. Step 5: Solve for x
    x = 183,756.40/367.48
  6. Step 6: Final answer
    x = 500.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.