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Finding the Fourth Proportional to 646.14, 966.97 and 508.04

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Solution

The fourth proportional to 646.14, 966.97 and 508.04 is: 760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.14 : 966.97 = 508.04 : x
  2. Step 2: Convert to fraction form
    646.14/966.97 = 508.04/x
  3. Step 3: Cross multiply
    646.14x = 966.97 × 508.04
  4. Step 4: Simplify right side
    646.14x = 491,259.44
  5. Step 5: Solve for x
    x = 491,259.44/646.14
  6. Step 6: Final answer
    x = 760.30

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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.