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Finding the Fourth Proportional to 646.51, 968.50 and 484.33

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Solution

The fourth proportional to 646.51, 968.50 and 484.33 is: 725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.51 : 968.50 = 484.33 : x
  2. Step 2: Convert to fraction form
    646.51/968.50 = 484.33/x
  3. Step 3: Cross multiply
    646.51x = 968.50 × 484.33
  4. Step 4: Simplify right side
    646.51x = 469,073.61
  5. Step 5: Solve for x
    x = 469,073.61/646.51
  6. Step 6: Final answer
    x = 725.55

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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.