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Finding the Fourth Proportional to 635.97, 877.64 and 370.47

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Solution

The fourth proportional to 635.97, 877.64 and 370.47 is: 511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.97 : 877.64 = 370.47 : x
  2. Step 2: Convert to fraction form
    635.97/877.64 = 370.47/x
  3. Step 3: Cross multiply
    635.97x = 877.64 × 370.47
  4. Step 4: Simplify right side
    635.97x = 325,139.29
  5. Step 5: Solve for x
    x = 325,139.29/635.97
  6. Step 6: Final answer
    x = 511.25

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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.