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Finding the Fourth Proportional to 635.37, 876.76 and 414.37

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Solution

The fourth proportional to 635.37, 876.76 and 414.37 is: 571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.37 : 876.76 = 414.37 : x
  2. Step 2: Convert to fraction form
    635.37/876.76 = 414.37/x
  3. Step 3: Cross multiply
    635.37x = 876.76 × 414.37
  4. Step 4: Simplify right side
    635.37x = 363,303.04
  5. Step 5: Solve for x
    x = 363,303.04/635.37
  6. Step 6: Final answer
    x = 571.80

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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.