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Finding the Fourth Proportional to 700.89, 965.41 and 533.49

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Solution

The fourth proportional to 700.89, 965.41 and 533.49 is: 734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.89 : 965.41 = 533.49 : x
  2. Step 2: Convert to fraction form
    700.89/965.41 = 533.49/x
  3. Step 3: Cross multiply
    700.89x = 965.41 × 533.49
  4. Step 4: Simplify right side
    700.89x = 515,033.91
  5. Step 5: Solve for x
    x = 515,033.91/700.89
  6. Step 6: Final answer
    x = 734.83

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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.