Finding the Fourth Proportional to 368.21, 552.65 and 194.99
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Solution
The fourth proportional to 368.21, 552.65 and 194.99 is: 292.66
Step by Step Solution
- Step 1: Write the proportion equation
368.21 : 552.65 = 194.99 : x - Step 2: Convert to fraction form
368.21/552.65 = 194.99/x - Step 3: Cross multiply
368.21x = 552.65 × 194.99 - Step 4: Simplify right side
368.21x = 107,761.22 - Step 5: Solve for x
x = 107,761.22/368.21 - Step 6: Final answer
x = 292.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.