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Finding the Fourth Proportional to 150.39, 224.30 and 144.99

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Solution

The fourth proportional to 150.39, 224.30 and 144.99 is: 216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.39 : 224.30 = 144.99 : x
  2. Step 2: Convert to fraction form
    150.39/224.30 = 144.99/x
  3. Step 3: Cross multiply
    150.39x = 224.30 × 144.99
  4. Step 4: Simplify right side
    150.39x = 32,521.62
  5. Step 5: Solve for x
    x = 32,521.62/150.39
  6. Step 6: Final answer
    x = 216.25

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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.