Finding the Fourth Proportional to 444.21, 665.70 and 170.02
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Solution
The fourth proportional to 444.21, 665.70 and 170.02 is: 254.79
Step by Step Solution
- Step 1: Write the proportion equation
444.21 : 665.70 = 170.02 : x - Step 2: Convert to fraction form
444.21/665.70 = 170.02/x - Step 3: Cross multiply
444.21x = 665.70 × 170.02 - Step 4: Simplify right side
444.21x = 113,182.31 - Step 5: Solve for x
x = 113,182.31/444.21 - Step 6: Final answer
x = 254.79
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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.