Finding the Fourth Proportional to 371.22, 556.91 and 197.99
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Solution
The fourth proportional to 371.22, 556.91 and 197.99 is: 297.02
Step by Step Solution
- Step 1: Write the proportion equation
371.22 : 556.91 = 197.99 : x - Step 2: Convert to fraction form
371.22/556.91 = 197.99/x - Step 3: Cross multiply
371.22x = 556.91 × 197.99 - Step 4: Simplify right side
371.22x = 110,258.84 - Step 5: Solve for x
x = 110,258.84/371.22 - Step 6: Final answer
x = 297.02
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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.