Home / 627.01-865.29-347.26

Finding the Fourth Proportional to 627.01, 865.29 and 347.26

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Solution

The fourth proportional to 627.01, 865.29 and 347.26 is: 479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.01 : 865.29 = 347.26 : x
  2. Step 2: Convert to fraction form
    627.01/865.29 = 347.26/x
  3. Step 3: Cross multiply
    627.01x = 865.29 × 347.26
  4. Step 4: Simplify right side
    627.01x = 300,480.61
  5. Step 5: Solve for x
    x = 300,480.61/627.01
  6. Step 6: Final answer
    x = 479.23

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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.