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Finding the Fourth Proportional to 646.55, 968.48 and 484.01

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Solution

The fourth proportional to 646.55, 968.48 and 484.01 is: 725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.55 : 968.48 = 484.01 : x
  2. Step 2: Convert to fraction form
    646.55/968.48 = 484.01/x
  3. Step 3: Cross multiply
    646.55x = 968.48 × 484.01
  4. Step 4: Simplify right side
    646.55x = 468,751.58
  5. Step 5: Solve for x
    x = 468,751.58/646.55
  6. Step 6: Final answer
    x = 725.00

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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.