Finding the Fourth Proportional to 361.59, 542.18 and 117.99
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Solution
The fourth proportional to 361.59, 542.18 and 117.99 is: 176.92
Step by Step Solution
- Step 1: Write the proportion equation
361.59 : 542.18 = 117.99 : x - Step 2: Convert to fraction form
361.59/542.18 = 117.99/x - Step 3: Cross multiply
361.59x = 542.18 × 117.99 - Step 4: Simplify right side
361.59x = 63,971.23 - Step 5: Solve for x
x = 63,971.23/361.59 - Step 6: Final answer
x = 176.92
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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.