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Finding the Fourth Proportional to 224.59, 309.66 and 150.88

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Solution

The fourth proportional to 224.59, 309.66 and 150.88 is: 208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.59 : 309.66 = 150.88 : x
  2. Step 2: Convert to fraction form
    224.59/309.66 = 150.88/x
  3. Step 3: Cross multiply
    224.59x = 309.66 × 150.88
  4. Step 4: Simplify right side
    224.59x = 46,721.50
  5. Step 5: Solve for x
    x = 46,721.50/224.59
  6. Step 6: Final answer
    x = 208.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.