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Finding the Fourth Proportional to 150.39, 206.58 and 148.37

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Solution

The fourth proportional to 150.39, 206.58 and 148.37 is: 203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.39 : 206.58 = 148.37 : x
  2. Step 2: Convert to fraction form
    150.39/206.58 = 148.37/x
  3. Step 3: Cross multiply
    150.39x = 206.58 × 148.37
  4. Step 4: Simplify right side
    150.39x = 30,649.80
  5. Step 5: Solve for x
    x = 30,649.80/150.39
  6. Step 6: Final answer
    x = 203.80

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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.