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Finding the Fourth Proportional to 701.19, 965.33 and 607.63

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Solution

The fourth proportional to 701.19, 965.33 and 607.63 is: 836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.19 : 965.33 = 607.63 : x
  2. Step 2: Convert to fraction form
    701.19/965.33 = 607.63/x
  3. Step 3: Cross multiply
    701.19x = 965.33 × 607.63
  4. Step 4: Simplify right side
    701.19x = 586,563.47
  5. Step 5: Solve for x
    x = 586,563.47/701.19
  6. Step 6: Final answer
    x = 836.53

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Double scale
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1.5x scale

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.