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Finding the Fourth Proportional to 245.14, 366.93 and 136.60

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Solution

The fourth proportional to 245.14, 366.93 and 136.60 is: 204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.14 : 366.93 = 136.60 : x
  2. Step 2: Convert to fraction form
    245.14/366.93 = 136.60/x
  3. Step 3: Cross multiply
    245.14x = 366.93 × 136.60
  4. Step 4: Simplify right side
    245.14x = 50,122.64
  5. Step 5: Solve for x
    x = 50,122.64/245.14
  6. Step 6: Final answer
    x = 204.47

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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.