Finding the Fourth Proportional to 207.04, 309.93 and 177.88
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Solution
The fourth proportional to 207.04, 309.93 and 177.88 is: 266.28
Step by Step Solution
- Step 1: Write the proportion equation
207.04 : 309.93 = 177.88 : x - Step 2: Convert to fraction form
207.04/309.93 = 177.88/x - Step 3: Cross multiply
207.04x = 309.93 × 177.88 - Step 4: Simplify right side
207.04x = 55,130.35 - Step 5: Solve for x
x = 55,130.35/207.04 - Step 6: Final answer
x = 266.28
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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.