Finding the Fourth Proportional to 467.37, 645.08 and 270.99
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Solution
The fourth proportional to 467.37, 645.08 and 270.99 is: 374.03
Step by Step Solution
- Step 1: Write the proportion equation
467.37 : 645.08 = 270.99 : x - Step 2: Convert to fraction form
467.37/645.08 = 270.99/x - Step 3: Cross multiply
467.37x = 645.08 × 270.99 - Step 4: Simplify right side
467.37x = 174,808.87 - Step 5: Solve for x
x = 174,808.87/467.37 - Step 6: Final answer
x = 374.03
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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.