Finding the Fourth Proportional to 373.49, 555.99 and 355.80
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Solution
The fourth proportional to 373.49, 555.99 and 355.80 is: 529.66
Step by Step Solution
- Step 1: Write the proportion equation
373.49 : 555.99 = 355.80 : x - Step 2: Convert to fraction form
373.49/555.99 = 355.80/x - Step 3: Cross multiply
373.49x = 555.99 × 355.80 - Step 4: Simplify right side
373.49x = 197,821.24 - Step 5: Solve for x
x = 197,821.24/373.49 - Step 6: Final answer
x = 529.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.