Finding the Fourth Proportional to 371.18, 556.88 and 197.84
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Solution
The fourth proportional to 371.18, 556.88 and 197.84 is: 296.82
Step by Step Solution
- Step 1: Write the proportion equation
371.18 : 556.88 = 197.84 : x - Step 2: Convert to fraction form
371.18/556.88 = 197.84/x - Step 3: Cross multiply
371.18x = 556.88 × 197.84 - Step 4: Simplify right side
371.18x = 110,173.54 - Step 5: Solve for x
x = 110,173.54/371.18 - Step 6: Final answer
x = 296.82
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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.