Finding the Fourth Proportional to 323.93, 484.99 and 291.13
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Solution
The fourth proportional to 323.93, 484.99 and 291.13 is: 435.87
Step by Step Solution
- Step 1: Write the proportion equation
323.93 : 484.99 = 291.13 : x - Step 2: Convert to fraction form
323.93/484.99 = 291.13/x - Step 3: Cross multiply
323.93x = 484.99 × 291.13 - Step 4: Simplify right side
323.93x = 141,193.20 - Step 5: Solve for x
x = 141,193.20/323.93 - Step 6: Final answer
x = 435.87
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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.