Finding the Fourth Proportional to 203.52, 280.08 and 170.58
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Solution
The fourth proportional to 203.52, 280.08 and 170.58 is: 234.75
Step by Step Solution
- Step 1: Write the proportion equation
203.52 : 280.08 = 170.58 : x - Step 2: Convert to fraction form
203.52/280.08 = 170.58/x - Step 3: Cross multiply
203.52x = 280.08 × 170.58 - Step 4: Simplify right side
203.52x = 47,776.05 - Step 5: Solve for x
x = 47,776.05/203.52 - Step 6: Final answer
x = 234.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.