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Finding the Fourth Proportional to 151.07, 206.84 and 150.60

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Solution

The fourth proportional to 151.07, 206.84 and 150.60 is: 206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.07 : 206.84 = 150.60 : x
  2. Step 2: Convert to fraction form
    151.07/206.84 = 150.60/x
  3. Step 3: Cross multiply
    151.07x = 206.84 × 150.60
  4. Step 4: Simplify right side
    151.07x = 31,150.48
  5. Step 5: Solve for x
    x = 31,150.48/151.07
  6. Step 6: Final answer
    x = 206.21

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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.