Finding the Fourth Proportional to 976.08, 1,346.84 and 562
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Solution
The fourth proportional to 976.08, 1,346.84 and 562 is: 775.47
Step by Step Solution
- Step 1: Write the proportion equation
976.08 : 1,346.84 = 562 : x - Step 2: Convert to fraction form
976.08/1,346.84 = 562/x - Step 3: Cross multiply
976.08x = 1,346.84 × 562 - Step 4: Simplify right side
976.08x = 756,924.08 - Step 5: Solve for x
x = 756,924.08/976.08 - Step 6: Final answer
x = 775.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.