Finding the Fourth Proportional to 70.68, 106.02 and 44.99
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Solution
The fourth proportional to 70.68, 106.02 and 44.99 is: 67.49
Step by Step Solution
- Step 1: Write the proportion equation
70.68 : 106.02 = 44.99 : x - Step 2: Convert to fraction form
70.68/106.02 = 44.99/x - Step 3: Cross multiply
70.68x = 106.02 × 44.99 - Step 4: Simplify right side
70.68x = 4,769.84 - Step 5: Solve for x
x = 4,769.84/70.68 - Step 6: Final answer
x = 67.49
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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.