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Finding the Fourth Proportional to 701.04, 968.08 and 452.78

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Solution

The fourth proportional to 701.04, 968.08 and 452.78 is: 625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.04 : 968.08 = 452.78 : x
  2. Step 2: Convert to fraction form
    701.04/968.08 = 452.78/x
  3. Step 3: Cross multiply
    701.04x = 968.08 × 452.78
  4. Step 4: Simplify right side
    701.04x = 438,327.26
  5. Step 5: Solve for x
    x = 438,327.26/701.04
  6. Step 6: Final answer
    x = 625.25

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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.