Finding the Fourth Proportional to 400.70, 600.08 and 272.06
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Solution
The fourth proportional to 400.70, 600.08 and 272.06 is: 407.43
Step by Step Solution
- Step 1: Write the proportion equation
400.70 : 600.08 = 272.06 : x - Step 2: Convert to fraction form
400.70/600.08 = 272.06/x - Step 3: Cross multiply
400.70x = 600.08 × 272.06 - Step 4: Simplify right side
400.70x = 163,257.76 - Step 5: Solve for x
x = 163,257.76/400.70 - Step 6: Final answer
x = 407.43
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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.