Finding the Fourth Proportional to 160.03, 239.93 and 68.68
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Solution
The fourth proportional to 160.03, 239.93 and 68.68 is: 102.96
Step by Step Solution
- Step 1: Write the proportion equation
160.03 : 239.93 = 68.68 : x - Step 2: Convert to fraction form
160.03/239.93 = 68.68/x - Step 3: Cross multiply
160.03x = 239.93 × 68.68 - Step 4: Simplify right side
160.03x = 16,477.26 - Step 5: Solve for x
x = 16,477.26/160.03 - Step 6: Final answer
x = 102.96
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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.