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Finding the Fourth Proportional to 245.54, 367.85 and 207.26

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Solution

The fourth proportional to 245.54, 367.85 and 207.26 is: 310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.54 : 367.85 = 207.26 : x
  2. Step 2: Convert to fraction form
    245.54/367.85 = 207.26/x
  3. Step 3: Cross multiply
    245.54x = 367.85 × 207.26
  4. Step 4: Simplify right side
    245.54x = 76,237.72
  5. Step 5: Solve for x
    x = 76,237.72/245.54
  6. Step 6: Final answer
    x = 310.50

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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.