Finding the Fourth Proportional to 356.10, 534.05 and 160.99
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Solution
The fourth proportional to 356.10, 534.05 and 160.99 is: 241.44
Step by Step Solution
- Step 1: Write the proportion equation
356.10 : 534.05 = 160.99 : x - Step 2: Convert to fraction form
356.10/534.05 = 160.99/x - Step 3: Cross multiply
356.10x = 534.05 × 160.99 - Step 4: Simplify right side
356.10x = 85,977.18 - Step 5: Solve for x
x = 85,977.18/356.10 - Step 6: Final answer
x = 241.44
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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.