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Finding the Fourth Proportional to 200.40, 275.58 and 179.34

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Solution

The fourth proportional to 200.40, 275.58 and 179.34 is: 246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.40 : 275.58 = 179.34 : x
  2. Step 2: Convert to fraction form
    200.40/275.58 = 179.34/x
  3. Step 3: Cross multiply
    200.40x = 275.58 × 179.34
  4. Step 4: Simplify right side
    200.40x = 49,422.52
  5. Step 5: Solve for x
    x = 49,422.52/200.40
  6. Step 6: Final answer
    x = 246.62

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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.