Finding the Fourth Proportional to 63.89, 88.17 and 60.14
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Solution
The fourth proportional to 63.89, 88.17 and 60.14 is: 82.99
Step by Step Solution
- Step 1: Write the proportion equation
63.89 : 88.17 = 60.14 : x - Step 2: Convert to fraction form
63.89/88.17 = 60.14/x - Step 3: Cross multiply
63.89x = 88.17 × 60.14 - Step 4: Simplify right side
63.89x = 5,302.10 - Step 5: Solve for x
x = 5,302.10/63.89 - Step 6: Final answer
x = 82.99
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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.