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Finding the Fourth Proportional to 635.94, 953.46 and 245.63

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Solution

The fourth proportional to 635.94, 953.46 and 245.63 is: 368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.94 : 953.46 = 245.63 : x
  2. Step 2: Convert to fraction form
    635.94/953.46 = 245.63/x
  3. Step 3: Cross multiply
    635.94x = 953.46 × 245.63
  4. Step 4: Simplify right side
    635.94x = 234,200.76
  5. Step 5: Solve for x
    x = 234,200.76/635.94
  6. Step 6: Final answer
    x = 368.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.