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Finding the Fourth Proportional to 646.23, 969.04 and 235.08

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Solution

The fourth proportional to 646.23, 969.04 and 235.08 is: 352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.23 : 969.04 = 235.08 : x
  2. Step 2: Convert to fraction form
    646.23/969.04 = 235.08/x
  3. Step 3: Cross multiply
    646.23x = 969.04 × 235.08
  4. Step 4: Simplify right side
    646.23x = 227,801.92
  5. Step 5: Solve for x
    x = 227,801.92/646.23
  6. Step 6: Final answer
    x = 352.51

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.