Finding the Fourth Proportional to 467.11, 644.63 and 270.68
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Solution
The fourth proportional to 467.11, 644.63 and 270.68 is: 373.56
Step by Step Solution
- Step 1: Write the proportion equation
467.11 : 644.63 = 270.68 : x - Step 2: Convert to fraction form
467.11/644.63 = 270.68/x - Step 3: Cross multiply
467.11x = 644.63 × 270.68 - Step 4: Simplify right side
467.11x = 174,490.74 - Step 5: Solve for x
x = 174,490.74/467.11 - Step 6: Final answer
x = 373.56
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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.