Finding the Fourth Proportional to 260.13, 358.93 and 207.87
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Solution
The fourth proportional to 260.13, 358.93 and 207.87 is: 286.82
Step by Step Solution
- Step 1: Write the proportion equation
260.13 : 358.93 = 207.87 : x - Step 2: Convert to fraction form
260.13/358.93 = 207.87/x - Step 3: Cross multiply
260.13x = 358.93 × 207.87 - Step 4: Simplify right side
260.13x = 74,610.78 - Step 5: Solve for x
x = 74,610.78/260.13 - Step 6: Final answer
x = 286.82
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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.