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Finding the Fourth Proportional to 245.07, 367.76 and 136.93

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Solution

The fourth proportional to 245.07, 367.76 and 136.93 is: 205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.07 : 367.76 = 136.93 : x
  2. Step 2: Convert to fraction form
    245.07/367.76 = 136.93/x
  3. Step 3: Cross multiply
    245.07x = 367.76 × 136.93
  4. Step 4: Simplify right side
    245.07x = 50,357.38
  5. Step 5: Solve for x
    x = 50,357.38/245.07
  6. Step 6: Final answer
    x = 205.48

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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.