Finding the Fourth Proportional to 239.79, 359.88 and 117.99
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Solution
The fourth proportional to 239.79, 359.88 and 117.99 is: 177.08
Step by Step Solution
- Step 1: Write the proportion equation
239.79 : 359.88 = 117.99 : x - Step 2: Convert to fraction form
239.79/359.88 = 117.99/x - Step 3: Cross multiply
239.79x = 359.88 × 117.99 - Step 4: Simplify right side
239.79x = 42,461.80 - Step 5: Solve for x
x = 42,461.80/239.79 - Step 6: Final answer
x = 177.08
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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.