Finding the Fourth Proportional to 354.41, 531.26 and 168.99
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Solution
The fourth proportional to 354.41, 531.26 and 168.99 is: 253.32
Step by Step Solution
- Step 1: Write the proportion equation
354.41 : 531.26 = 168.99 : x - Step 2: Convert to fraction form
354.41/531.26 = 168.99/x - Step 3: Cross multiply
354.41x = 531.26 × 168.99 - Step 4: Simplify right side
354.41x = 89,777.63 - Step 5: Solve for x
x = 89,777.63/354.41 - Step 6: Final answer
x = 253.32
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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.