Finding the Fourth Proportional to 416.56, 624.72 and 160
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Solution
The fourth proportional to 416.56, 624.72 and 160 is: 239.95
Step by Step Solution
- Step 1: Write the proportion equation
416.56 : 624.72 = 160 : x - Step 2: Convert to fraction form
416.56/624.72 = 160/x - Step 3: Cross multiply
416.56x = 624.72 × 160 - Step 4: Simplify right side
416.56x = 99,955.20 - Step 5: Solve for x
x = 99,955.20/416.56 - Step 6: Final answer
x = 239.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.