Finding the Fourth Proportional to 665.02, 996.99 and 254.08
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Solution
The fourth proportional to 665.02, 996.99 and 254.08 is: 380.91
Step by Step Solution
- Step 1: Write the proportion equation
665.02 : 996.99 = 254.08 : x - Step 2: Convert to fraction form
665.02/996.99 = 254.08/x - Step 3: Cross multiply
665.02x = 996.99 × 254.08 - Step 4: Simplify right side
665.02x = 253,315.22 - Step 5: Solve for x
x = 253,315.22/665.02 - Step 6: Final answer
x = 380.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.