Finding the Fourth Proportional to 162.84, 224.36 and 116.12
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Solution
The fourth proportional to 162.84, 224.36 and 116.12 is: 159.99
Step by Step Solution
- Step 1: Write the proportion equation
162.84 : 224.36 = 116.12 : x - Step 2: Convert to fraction form
162.84/224.36 = 116.12/x - Step 3: Cross multiply
162.84x = 224.36 × 116.12 - Step 4: Simplify right side
162.84x = 26,052.68 - Step 5: Solve for x
x = 26,052.68/162.84 - Step 6: Final answer
x = 159.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.