Finding the Fourth Proportional to 295.39, 407.66 and 178.99
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Solution
The fourth proportional to 295.39, 407.66 and 178.99 is: 247.02
Step by Step Solution
- Step 1: Write the proportion equation
295.39 : 407.66 = 178.99 : x - Step 2: Convert to fraction form
295.39/407.66 = 178.99/x - Step 3: Cross multiply
295.39x = 407.66 × 178.99 - Step 4: Simplify right side
295.39x = 72,967.06 - Step 5: Solve for x
x = 72,967.06/295.39 - Step 6: Final answer
x = 247.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.