Finding the Fourth Proportional to 925.99, 1,277.86 and 552.99
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Solution
The fourth proportional to 925.99, 1,277.86 and 552.99 is: 763.12
Step by Step Solution
- Step 1: Write the proportion equation
925.99 : 1,277.86 = 552.99 : x - Step 2: Convert to fraction form
925.99/1,277.86 = 552.99/x - Step 3: Cross multiply
925.99x = 1,277.86 × 552.99 - Step 4: Simplify right side
925.99x = 706,643.80 - Step 5: Solve for x
x = 706,643.80/925.99 - Step 6: Final answer
x = 763.12
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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.