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Finding the Fourth Proportional to 635.23, 876.68 and 373.29

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Solution

The fourth proportional to 635.23, 876.68 and 373.29 is: 515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.23 : 876.68 = 373.29 : x
  2. Step 2: Convert to fraction form
    635.23/876.68 = 373.29/x
  3. Step 3: Cross multiply
    635.23x = 876.68 × 373.29
  4. Step 4: Simplify right side
    635.23x = 327,255.88
  5. Step 5: Solve for x
    x = 327,255.88/635.23
  6. Step 6: Final answer
    x = 515.18

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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.