Finding the Fourth Proportional to 369.69, 555.21 and 354.99
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Solution
The fourth proportional to 369.69, 555.21 and 354.99 is: 533.13
Step by Step Solution
- Step 1: Write the proportion equation
369.69 : 555.21 = 354.99 : x - Step 2: Convert to fraction form
369.69/555.21 = 354.99/x - Step 3: Cross multiply
369.69x = 555.21 × 354.99 - Step 4: Simplify right side
369.69x = 197,094.00 - Step 5: Solve for x
x = 197,094.00/369.69 - Step 6: Final answer
x = 533.13
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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.