Finding the Fourth Proportional to 609.70, 914.62 and 263.08
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Solution
The fourth proportional to 609.70, 914.62 and 263.08 is: 394.65
Step by Step Solution
- Step 1: Write the proportion equation
609.70 : 914.62 = 263.08 : x - Step 2: Convert to fraction form
609.70/914.62 = 263.08/x - Step 3: Cross multiply
609.70x = 914.62 × 263.08 - Step 4: Simplify right side
609.70x = 240,618.23 - Step 5: Solve for x
x = 240,618.23/609.70 - Step 6: Final answer
x = 394.65
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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.