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Finding the Fourth Proportional to 202.48, 302.97 and 150.68

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Solution

The fourth proportional to 202.48, 302.97 and 150.68 is: 225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.48 : 302.97 = 150.68 : x
  2. Step 2: Convert to fraction form
    202.48/302.97 = 150.68/x
  3. Step 3: Cross multiply
    202.48x = 302.97 × 150.68
  4. Step 4: Simplify right side
    202.48x = 45,651.52
  5. Step 5: Solve for x
    x = 45,651.52/202.48
  6. Step 6: Final answer
    x = 225.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.