Finding the Fourth Proportional to 369.99, 510.58 and 201.95
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Solution
The fourth proportional to 369.99, 510.58 and 201.95 is: 278.68
Step by Step Solution
- Step 1: Write the proportion equation
369.99 : 510.58 = 201.95 : x - Step 2: Convert to fraction form
369.99/510.58 = 201.95/x - Step 3: Cross multiply
369.99x = 510.58 × 201.95 - Step 4: Simplify right side
369.99x = 103,111.25 - Step 5: Solve for x
x = 103,111.25/369.99 - Step 6: Final answer
x = 278.68
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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.