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Finding the Fourth Proportional to 245.06, 367.59 and 74.06

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Solution

The fourth proportional to 245.06, 367.59 and 74.06 is: 111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.06 : 367.59 = 74.06 : x
  2. Step 2: Convert to fraction form
    245.06/367.59 = 74.06/x
  3. Step 3: Cross multiply
    245.06x = 367.59 × 74.06
  4. Step 4: Simplify right side
    245.06x = 27,224.91
  5. Step 5: Solve for x
    x = 27,224.91/245.06
  6. Step 6: Final answer
    x = 111.09

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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.