Finding the Fourth Proportional to 197.12, 295.36 and 88.64
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Solution
The fourth proportional to 197.12, 295.36 and 88.64 is: 132.82
Step by Step Solution
- Step 1: Write the proportion equation
197.12 : 295.36 = 88.64 : x - Step 2: Convert to fraction form
197.12/295.36 = 88.64/x - Step 3: Cross multiply
197.12x = 295.36 × 88.64 - Step 4: Simplify right side
197.12x = 26,180.71 - Step 5: Solve for x
x = 26,180.71/197.12 - Step 6: Final answer
x = 132.82
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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.