Finding the Fourth Proportional to 635.99, 954.05 and 203.18
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Solution
The fourth proportional to 635.99, 954.05 and 203.18 is: 304.78
Step by Step Solution
- Step 1: Write the proportion equation
635.99 : 954.05 = 203.18 : x - Step 2: Convert to fraction form
635.99/954.05 = 203.18/x - Step 3: Cross multiply
635.99x = 954.05 × 203.18 - Step 4: Simplify right side
635.99x = 193,838.09 - Step 5: Solve for x
x = 193,838.09/635.99 - Step 6: Final answer
x = 304.78
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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.