Finding the Fourth Proportional to 434.99, 651.99 and 331.93
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Solution
The fourth proportional to 434.99, 651.99 and 331.93 is: 497.52
Step by Step Solution
- Step 1: Write the proportion equation
434.99 : 651.99 = 331.93 : x - Step 2: Convert to fraction form
434.99/651.99 = 331.93/x - Step 3: Cross multiply
434.99x = 651.99 × 331.93 - Step 4: Simplify right side
434.99x = 216,413.41 - Step 5: Solve for x
x = 216,413.41/434.99 - Step 6: Final answer
x = 497.52
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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.