Finding the Fourth Proportional to 104.93, 157.26 and 47.07
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Solution
The fourth proportional to 104.93, 157.26 and 47.07 is: 70.55
Step by Step Solution
- Step 1: Write the proportion equation
104.93 : 157.26 = 47.07 : x - Step 2: Convert to fraction form
104.93/157.26 = 47.07/x - Step 3: Cross multiply
104.93x = 157.26 × 47.07 - Step 4: Simplify right side
104.93x = 7,402.23 - Step 5: Solve for x
x = 7,402.23/104.93 - Step 6: Final answer
x = 70.55
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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.