Finding the Fourth Proportional to 130.26, 195.21 and 76.08
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Solution
The fourth proportional to 130.26, 195.21 and 76.08 is: 114.01
Step by Step Solution
- Step 1: Write the proportion equation
130.26 : 195.21 = 76.08 : x - Step 2: Convert to fraction form
130.26/195.21 = 76.08/x - Step 3: Cross multiply
130.26x = 195.21 × 76.08 - Step 4: Simplify right side
130.26x = 14,851.58 - Step 5: Solve for x
x = 14,851.58/130.26 - Step 6: Final answer
x = 114.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.