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Finding the Fourth Proportional to 656.14, 984.24 and 348.28

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Solution

The fourth proportional to 656.14, 984.24 and 348.28 is: 522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.14 : 984.24 = 348.28 : x
  2. Step 2: Convert to fraction form
    656.14/984.24 = 348.28/x
  3. Step 3: Cross multiply
    656.14x = 984.24 × 348.28
  4. Step 4: Simplify right side
    656.14x = 342,791.11
  5. Step 5: Solve for x
    x = 342,791.11/656.14
  6. Step 6: Final answer
    x = 522.44

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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.