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Finding the Fourth Proportional to 195.60, 293.15 and 157.23

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Solution

The fourth proportional to 195.60, 293.15 and 157.23 is: 235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.60 : 293.15 = 157.23 : x
  2. Step 2: Convert to fraction form
    195.60/293.15 = 157.23/x
  3. Step 3: Cross multiply
    195.60x = 293.15 × 157.23
  4. Step 4: Simplify right side
    195.60x = 46,091.19
  5. Step 5: Solve for x
    x = 46,091.19/195.60
  6. Step 6: Final answer
    x = 235.64

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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.