Finding the Fourth Proportional to 416.31, 624.43 and 184.99
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Solution
The fourth proportional to 416.31, 624.43 and 184.99 is: 277.46
Step by Step Solution
- Step 1: Write the proportion equation
416.31 : 624.43 = 184.99 : x - Step 2: Convert to fraction form
416.31/624.43 = 184.99/x - Step 3: Cross multiply
416.31x = 624.43 × 184.99 - Step 4: Simplify right side
416.31x = 115,509.26 - Step 5: Solve for x
x = 115,509.26/416.31 - Step 6: Final answer
x = 277.46
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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.