Finding the Fourth Proportional to 117.99, 176.93 and 36.81
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Solution
The fourth proportional to 117.99, 176.93 and 36.81 is: 55.20
Step by Step Solution
- Step 1: Write the proportion equation
117.99 : 176.93 = 36.81 : x - Step 2: Convert to fraction form
117.99/176.93 = 36.81/x - Step 3: Cross multiply
117.99x = 176.93 × 36.81 - Step 4: Simplify right side
117.99x = 6,512.79 - Step 5: Solve for x
x = 6,512.79/117.99 - Step 6: Final answer
x = 55.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.