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Finding the Fourth Proportional to 245.57, 368.37 and 229.56

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Solution

The fourth proportional to 245.57, 368.37 and 229.56 is: 344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.57 : 368.37 = 229.56 : x
  2. Step 2: Convert to fraction form
    245.57/368.37 = 229.56/x
  3. Step 3: Cross multiply
    245.57x = 368.37 × 229.56
  4. Step 4: Simplify right side
    245.57x = 84,563.02
  5. Step 5: Solve for x
    x = 84,563.02/245.57
  6. Step 6: Final answer
    x = 344.36

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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.