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Finding the Fourth Proportional to 245.57, 367.56 and 154.33

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Solution

The fourth proportional to 245.57, 367.56 and 154.33 is: 230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.57 : 367.56 = 154.33 : x
  2. Step 2: Convert to fraction form
    245.57/367.56 = 154.33/x
  3. Step 3: Cross multiply
    245.57x = 367.56 × 154.33
  4. Step 4: Simplify right side
    245.57x = 56,724.76
  5. Step 5: Solve for x
    x = 56,724.76/245.57
  6. Step 6: Final answer
    x = 230.99

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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.