Finding the Fourth Proportional to 147.07, 220.46 and 69.99
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Solution
The fourth proportional to 147.07, 220.46 and 69.99 is: 104.92
Step by Step Solution
- Step 1: Write the proportion equation
147.07 : 220.46 = 69.99 : x - Step 2: Convert to fraction form
147.07/220.46 = 69.99/x - Step 3: Cross multiply
147.07x = 220.46 × 69.99 - Step 4: Simplify right side
147.07x = 15,430.00 - Step 5: Solve for x
x = 15,430.00/147.07 - Step 6: Final answer
x = 104.92
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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.