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Finding the Fourth Proportional to 74.44, 111.24 and 59.07

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Solution

The fourth proportional to 74.44, 111.24 and 59.07 is: 88.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.44 : 111.24 = 59.07 : x
  2. Step 2: Convert to fraction form
    74.44/111.24 = 59.07/x
  3. Step 3: Cross multiply
    74.44x = 111.24 × 59.07
  4. Step 4: Simplify right side
    74.44x = 6,570.33
  5. Step 5: Solve for x
    x = 6,570.33/74.44
  6. Step 6: Final answer
    x = 88.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.