Finding the Fourth Proportional to 115.99, 159.98 and 97.01
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Solution
The fourth proportional to 115.99, 159.98 and 97.01 is: 133.80
Step by Step Solution
- Step 1: Write the proportion equation
115.99 : 159.98 = 97.01 : x - Step 2: Convert to fraction form
115.99/159.98 = 97.01/x - Step 3: Cross multiply
115.99x = 159.98 × 97.01 - Step 4: Simplify right side
115.99x = 15,518.74 - Step 5: Solve for x
x = 15,518.74/115.99 - Step 6: Final answer
x = 133.80
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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.