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Finding the Fourth Proportional to 107.58, 148.23 and 94.37

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Solution

The fourth proportional to 107.58, 148.23 and 94.37 is: 130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.58 : 148.23 = 94.37 : x
  2. Step 2: Convert to fraction form
    107.58/148.23 = 94.37/x
  3. Step 3: Cross multiply
    107.58x = 148.23 × 94.37
  4. Step 4: Simplify right side
    107.58x = 13,987.72
  5. Step 5: Solve for x
    x = 13,987.72/107.58
  6. Step 6: Final answer
    x = 130.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.