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Finding the Fourth Proportional to 245.73, 370.80 and 236.25

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Solution

The fourth proportional to 245.73, 370.80 and 236.25 is: 356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.73 : 370.80 = 236.25 : x
  2. Step 2: Convert to fraction form
    245.73/370.80 = 236.25/x
  3. Step 3: Cross multiply
    245.73x = 370.80 × 236.25
  4. Step 4: Simplify right side
    245.73x = 87,601.50
  5. Step 5: Solve for x
    x = 87,601.50/245.73
  6. Step 6: Final answer
    x = 356.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.