Finding the Fourth Proportional to 484.13, 668.07 and 297.62
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Solution
The fourth proportional to 484.13, 668.07 and 297.62 is: 410.70
Step by Step Solution
- Step 1: Write the proportion equation
484.13 : 668.07 = 297.62 : x - Step 2: Convert to fraction form
484.13/668.07 = 297.62/x - Step 3: Cross multiply
484.13x = 668.07 × 297.62 - Step 4: Simplify right side
484.13x = 198,830.99 - Step 5: Solve for x
x = 198,830.99/484.13 - Step 6: Final answer
x = 410.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.