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Finding the Fourth Proportional to 245.94, 336.93 and 236.70

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Solution

The fourth proportional to 245.94, 336.93 and 236.70 is: 324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.94 : 336.93 = 236.70 : x
  2. Step 2: Convert to fraction form
    245.94/336.93 = 236.70/x
  3. Step 3: Cross multiply
    245.94x = 336.93 × 236.70
  4. Step 4: Simplify right side
    245.94x = 79,751.33
  5. Step 5: Solve for x
    x = 79,751.33/245.94
  6. Step 6: Final answer
    x = 324.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.