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Finding the Fourth Proportional to 646.12, 968.56 and 234.98

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Solution

The fourth proportional to 646.12, 968.56 and 234.98 is: 352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.12 : 968.56 = 234.98 : x
  2. Step 2: Convert to fraction form
    646.12/968.56 = 234.98/x
  3. Step 3: Cross multiply
    646.12x = 968.56 × 234.98
  4. Step 4: Simplify right side
    646.12x = 227,590.43
  5. Step 5: Solve for x
    x = 227,590.43/646.12
  6. Step 6: Final answer
    x = 352.24

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Double scale
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1.5x scale

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.