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Finding the Fourth Proportional to 634.06, 949.56 and 359.48

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Solution

The fourth proportional to 634.06, 949.56 and 359.48 is: 538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.06 : 949.56 = 359.48 : x
  2. Step 2: Convert to fraction form
    634.06/949.56 = 359.48/x
  3. Step 3: Cross multiply
    634.06x = 949.56 × 359.48
  4. Step 4: Simplify right side
    634.06x = 341,347.83
  5. Step 5: Solve for x
    x = 341,347.83/634.06
  6. Step 6: Final answer
    x = 538.35

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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.