Finding the Fourth Proportional to 609.84, 914.08 and 263.44
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Solution
The fourth proportional to 609.84, 914.08 and 263.44 is: 394.87
Step by Step Solution
- Step 1: Write the proportion equation
609.84 : 914.08 = 263.44 : x - Step 2: Convert to fraction form
609.84/914.08 = 263.44/x - Step 3: Cross multiply
609.84x = 914.08 × 263.44 - Step 4: Simplify right side
609.84x = 240,805.24 - Step 5: Solve for x
x = 240,805.24/609.84 - Step 6: Final answer
x = 394.87
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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.