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Finding the Fourth Proportional to 284.08, 424.52 and 268.48

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Solution

The fourth proportional to 284.08, 424.52 and 268.48 is: 401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.08 : 424.52 = 268.48 : x
  2. Step 2: Convert to fraction form
    284.08/424.52 = 268.48/x
  3. Step 3: Cross multiply
    284.08x = 424.52 × 268.48
  4. Step 4: Simplify right side
    284.08x = 113,975.13
  5. Step 5: Solve for x
    x = 113,975.13/284.08
  6. Step 6: Final answer
    x = 401.21

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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.