Finding the Fourth Proportional to 233.19, 349.75 and 79.08
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Solution
The fourth proportional to 233.19, 349.75 and 79.08 is: 118.61
Step by Step Solution
- Step 1: Write the proportion equation
233.19 : 349.75 = 79.08 : x - Step 2: Convert to fraction form
233.19/349.75 = 79.08/x - Step 3: Cross multiply
233.19x = 349.75 × 79.08 - Step 4: Simplify right side
233.19x = 27,658.23 - Step 5: Solve for x
x = 27,658.23/233.19 - Step 6: Final answer
x = 118.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.