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Finding the Fourth Proportional to 701.08, 967.55 and 386.41

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Solution

The fourth proportional to 701.08, 967.55 and 386.41 is: 533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.08 : 967.55 = 386.41 : x
  2. Step 2: Convert to fraction form
    701.08/967.55 = 386.41/x
  3. Step 3: Cross multiply
    701.08x = 967.55 × 386.41
  4. Step 4: Simplify right side
    701.08x = 373,866.16
  5. Step 5: Solve for x
    x = 373,866.16/701.08
  6. Step 6: Final answer
    x = 533.27

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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.