Finding the Fourth Proportional to 131.98, 197.76 and 88.06
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Solution
The fourth proportional to 131.98, 197.76 and 88.06 is: 131.95
Step by Step Solution
- Step 1: Write the proportion equation
131.98 : 197.76 = 88.06 : x - Step 2: Convert to fraction form
131.98/197.76 = 88.06/x - Step 3: Cross multiply
131.98x = 197.76 × 88.06 - Step 4: Simplify right side
131.98x = 17,414.75 - Step 5: Solve for x
x = 17,414.75/131.98 - Step 6: Final answer
x = 131.95
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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.