Finding the Fourth Proportional to 397.68, 595.65 and 214.68
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Solution
The fourth proportional to 397.68, 595.65 and 214.68 is: 321.56
Step by Step Solution
- Step 1: Write the proportion equation
397.68 : 595.65 = 214.68 : x - Step 2: Convert to fraction form
397.68/595.65 = 214.68/x - Step 3: Cross multiply
397.68x = 595.65 × 214.68 - Step 4: Simplify right side
397.68x = 127,877.18 - Step 5: Solve for x
x = 127,877.18/397.68 - Step 6: Final answer
x = 321.56
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