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Finding the Fourth Proportional to 635.90, 952.93 and 342.92

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Solution

The fourth proportional to 635.90, 952.93 and 342.92 is: 513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.90 : 952.93 = 342.92 : x
  2. Step 2: Convert to fraction form
    635.90/952.93 = 342.92/x
  3. Step 3: Cross multiply
    635.90x = 952.93 × 342.92
  4. Step 4: Simplify right side
    635.90x = 326,780.28
  5. Step 5: Solve for x
    x = 326,780.28/635.90
  6. Step 6: Final answer
    x = 513.89

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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.