Finding the Fourth Proportional to 113.68, 170.68 and 101.68
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Solution
The fourth proportional to 113.68, 170.68 and 101.68 is: 152.66
Step by Step Solution
- Step 1: Write the proportion equation
113.68 : 170.68 = 101.68 : x - Step 2: Convert to fraction form
113.68/170.68 = 101.68/x - Step 3: Cross multiply
113.68x = 170.68 × 101.68 - Step 4: Simplify right side
113.68x = 17,354.74 - Step 5: Solve for x
x = 17,354.74/113.68 - Step 6: Final answer
x = 152.66
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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.