Finding the Fourth Proportional to 68.10, 102.60 and 58.99
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Solution
The fourth proportional to 68.10, 102.60 and 58.99 is: 88.87
Step by Step Solution
- Step 1: Write the proportion equation
68.10 : 102.60 = 58.99 : x - Step 2: Convert to fraction form
68.10/102.60 = 58.99/x - Step 3: Cross multiply
68.10x = 102.60 × 58.99 - Step 4: Simplify right side
68.10x = 6,052.34 - Step 5: Solve for x
x = 6,052.34/68.10 - Step 6: Final answer
x = 88.87
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.