Finding the Fourth Proportional to 196.74, 271.50 and 118.08
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Solution
The fourth proportional to 196.74, 271.50 and 118.08 is: 162.95
Step by Step Solution
- Step 1: Write the proportion equation
196.74 : 271.50 = 118.08 : x - Step 2: Convert to fraction form
196.74/271.50 = 118.08/x - Step 3: Cross multiply
196.74x = 271.50 × 118.08 - Step 4: Simplify right side
196.74x = 32,058.72 - Step 5: Solve for x
x = 32,058.72/196.74 - Step 6: Final answer
x = 162.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.