Finding the Fourth Proportional to 268.68, 371.08 and 239.52
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Solution
The fourth proportional to 268.68, 371.08 and 239.52 is: 330.81
Step by Step Solution
- Step 1: Write the proportion equation
268.68 : 371.08 = 239.52 : x - Step 2: Convert to fraction form
268.68/371.08 = 239.52/x - Step 3: Cross multiply
268.68x = 371.08 × 239.52 - Step 4: Simplify right side
268.68x = 88,881.08 - Step 5: Solve for x
x = 88,881.08/268.68 - Step 6: Final answer
x = 330.81
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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.