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Finding the Fourth Proportional to 634.27, 955.14 and 554.08

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Solution

The fourth proportional to 634.27, 955.14 and 554.08 is: 834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.27 : 955.14 = 554.08 : x
  2. Step 2: Convert to fraction form
    634.27/955.14 = 554.08/x
  3. Step 3: Cross multiply
    634.27x = 955.14 × 554.08
  4. Step 4: Simplify right side
    634.27x = 529,223.97
  5. Step 5: Solve for x
    x = 529,223.97/634.27
  6. Step 6: Final answer
    x = 834.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.