Finding the Fourth Proportional to 356.11, 534.26 and 193.75
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Solution
The fourth proportional to 356.11, 534.26 and 193.75 is: 290.68
Step by Step Solution
- Step 1: Write the proportion equation
356.11 : 534.26 = 193.75 : x - Step 2: Convert to fraction form
356.11/534.26 = 193.75/x - Step 3: Cross multiply
356.11x = 534.26 × 193.75 - Step 4: Simplify right side
356.11x = 103,512.88 - Step 5: Solve for x
x = 103,512.88/356.11 - Step 6: Final answer
x = 290.68
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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.