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Finding the Fourth Proportional to 245.36, 367.40 and 154.13

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Solution

The fourth proportional to 245.36, 367.40 and 154.13 is: 230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.36 : 367.40 = 154.13 : x
  2. Step 2: Convert to fraction form
    245.36/367.40 = 154.13/x
  3. Step 3: Cross multiply
    245.36x = 367.40 × 154.13
  4. Step 4: Simplify right side
    245.36x = 56,627.36
  5. Step 5: Solve for x
    x = 56,627.36/245.36
  6. Step 6: Final answer
    x = 230.79

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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.