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Finding the Fourth Proportional to 107.23, 147.97 and 58.10

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Solution

The fourth proportional to 107.23, 147.97 and 58.10 is: 80.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.23 : 147.97 = 58.10 : x
  2. Step 2: Convert to fraction form
    107.23/147.97 = 58.10/x
  3. Step 3: Cross multiply
    107.23x = 147.97 × 58.10
  4. Step 4: Simplify right side
    107.23x = 8,597.43
  5. Step 5: Solve for x
    x = 8,597.43/107.23
  6. Step 6: Final answer
    x = 80.18

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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.