Finding the Fourth Proportional to 97.86, 134.99 and 75.99
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Solution
The fourth proportional to 97.86, 134.99 and 75.99 is: 104.82
Step by Step Solution
- Step 1: Write the proportion equation
97.86 : 134.99 = 75.99 : x - Step 2: Convert to fraction form
97.86/134.99 = 75.99/x - Step 3: Cross multiply
97.86x = 134.99 × 75.99 - Step 4: Simplify right side
97.86x = 10,257.51 - Step 5: Solve for x
x = 10,257.51/97.86 - Step 6: Final answer
x = 104.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.