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Finding the Fourth Proportional to 284.15, 427.19 and 224.01

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Solution

The fourth proportional to 284.15, 427.19 and 224.01 is: 336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.15 : 427.19 = 224.01 : x
  2. Step 2: Convert to fraction form
    284.15/427.19 = 224.01/x
  3. Step 3: Cross multiply
    284.15x = 427.19 × 224.01
  4. Step 4: Simplify right side
    284.15x = 95,693.71
  5. Step 5: Solve for x
    x = 95,693.71/284.15
  6. Step 6: Final answer
    x = 336.77

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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.