Finding the Fourth Proportional to 555.94, 767.28 and 334.99
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Solution
The fourth proportional to 555.94, 767.28 and 334.99 is: 462.34
Step by Step Solution
- Step 1: Write the proportion equation
555.94 : 767.28 = 334.99 : x - Step 2: Convert to fraction form
555.94/767.28 = 334.99/x - Step 3: Cross multiply
555.94x = 767.28 × 334.99 - Step 4: Simplify right side
555.94x = 257,031.13 - Step 5: Solve for x
x = 257,031.13/555.94 - Step 6: Final answer
x = 462.34
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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.