Finding the Fourth Proportional to 102.65, 154.04 and 100.62
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Solution
The fourth proportional to 102.65, 154.04 and 100.62 is: 151.00
Step by Step Solution
- Step 1: Write the proportion equation
102.65 : 154.04 = 100.62 : x - Step 2: Convert to fraction form
102.65/154.04 = 100.62/x - Step 3: Cross multiply
102.65x = 154.04 × 100.62 - Step 4: Simplify right side
102.65x = 15,499.00 - Step 5: Solve for x
x = 15,499.00/102.65 - Step 6: Final answer
x = 151.00
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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.