Finding the Fourth Proportional to 356.41, 534.26 and 170.99
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Solution
The fourth proportional to 356.41, 534.26 and 170.99 is: 256.31
Step by Step Solution
- Step 1: Write the proportion equation
356.41 : 534.26 = 170.99 : x - Step 2: Convert to fraction form
356.41/534.26 = 170.99/x - Step 3: Cross multiply
356.41x = 534.26 × 170.99 - Step 4: Simplify right side
356.41x = 91,353.12 - Step 5: Solve for x
x = 91,353.12/356.41 - Step 6: Final answer
x = 256.31
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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.