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Finding the Fourth Proportional to 702.95, 961.74 and 700.25

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Solution

The fourth proportional to 702.95, 961.74 and 700.25 is: 958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.95 : 961.74 = 700.25 : x
  2. Step 2: Convert to fraction form
    702.95/961.74 = 700.25/x
  3. Step 3: Cross multiply
    702.95x = 961.74 × 700.25
  4. Step 4: Simplify right side
    702.95x = 673,453.63
  5. Step 5: Solve for x
    x = 673,453.63/702.95
  6. Step 6: Final answer
    x = 958.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.