Finding the Fourth Proportional to 68.65, 102.93 and 22.99
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Solution
The fourth proportional to 68.65, 102.93 and 22.99 is: 34.47
Step by Step Solution
- Step 1: Write the proportion equation
68.65 : 102.93 = 22.99 : x - Step 2: Convert to fraction form
68.65/102.93 = 22.99/x - Step 3: Cross multiply
68.65x = 102.93 × 22.99 - Step 4: Simplify right side
68.65x = 2,366.36 - Step 5: Solve for x
x = 2,366.36/68.65 - Step 6: Final answer
x = 34.47
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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.