Finding the Fourth Proportional to 400.59, 600.66 and 156.99
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Solution
The fourth proportional to 400.59, 600.66 and 156.99 is: 235.39
Step by Step Solution
- Step 1: Write the proportion equation
400.59 : 600.66 = 156.99 : x - Step 2: Convert to fraction form
400.59/600.66 = 156.99/x - Step 3: Cross multiply
400.59x = 600.66 × 156.99 - Step 4: Simplify right side
400.59x = 94,295.36 - Step 5: Solve for x
x = 94,295.36/400.59 - Step 6: Final answer
x = 235.39
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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.