Finding the Fourth Proportional to 250.23, 345.32 and 151.93
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Solution
The fourth proportional to 250.23, 345.32 and 151.93 is: 209.66
Step by Step Solution
- Step 1: Write the proportion equation
250.23 : 345.32 = 151.93 : x - Step 2: Convert to fraction form
250.23/345.32 = 151.93/x - Step 3: Cross multiply
250.23x = 345.32 × 151.93 - Step 4: Simplify right side
250.23x = 52,464.47 - Step 5: Solve for x
x = 52,464.47/250.23 - Step 6: Final answer
x = 209.66
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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.