Finding the Fourth Proportional to 416.93, 624.99 and 156.74
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Solution
The fourth proportional to 416.93, 624.99 and 156.74 is: 234.96
Step by Step Solution
- Step 1: Write the proportion equation
416.93 : 624.99 = 156.74 : x - Step 2: Convert to fraction form
416.93/624.99 = 156.74/x - Step 3: Cross multiply
416.93x = 624.99 × 156.74 - Step 4: Simplify right side
416.93x = 97,960.93 - Step 5: Solve for x
x = 97,960.93/416.93 - Step 6: Final answer
x = 234.96
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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.