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Finding the Fourth Proportional to 150.47, 224.44 and 145.92

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Solution

The fourth proportional to 150.47, 224.44 and 145.92 is: 217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.47 : 224.44 = 145.92 : x
  2. Step 2: Convert to fraction form
    150.47/224.44 = 145.92/x
  3. Step 3: Cross multiply
    150.47x = 224.44 × 145.92
  4. Step 4: Simplify right side
    150.47x = 32,748.80
  5. Step 5: Solve for x
    x = 32,748.80/150.47
  6. Step 6: Final answer
    x = 217.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.