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Finding the Fourth Proportional to 702.06, 968.25 and 436.38

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Solution

The fourth proportional to 702.06, 968.25 and 436.38 is: 601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.06 : 968.25 = 436.38 : x
  2. Step 2: Convert to fraction form
    702.06/968.25 = 436.38/x
  3. Step 3: Cross multiply
    702.06x = 968.25 × 436.38
  4. Step 4: Simplify right side
    702.06x = 422,524.94
  5. Step 5: Solve for x
    x = 422,524.94/702.06
  6. Step 6: Final answer
    x = 601.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.