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Finding the Fourth Proportional to 230, 342.30 and 224.87

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Solution

The fourth proportional to 230, 342.30 and 224.87 is: 334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230 : 342.30 = 224.87 : x
  2. Step 2: Convert to fraction form
    230/342.30 = 224.87/x
  3. Step 3: Cross multiply
    230x = 342.30 × 224.87
  4. Step 4: Simplify right side
    230x = 76,971.88
  5. Step 5: Solve for x
    x = 76,971.88/230
  6. Step 6: Final answer
    x = 334.66

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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.