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Finding the Fourth Proportional to 370.49, 511.24 and 204.68

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Solution

The fourth proportional to 370.49, 511.24 and 204.68 is: 282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.49 : 511.24 = 204.68 : x
  2. Step 2: Convert to fraction form
    370.49/511.24 = 204.68/x
  3. Step 3: Cross multiply
    370.49x = 511.24 × 204.68
  4. Step 4: Simplify right side
    370.49x = 104,639.58
  5. Step 5: Solve for x
    x = 104,639.58/370.49
  6. Step 6: Final answer
    x = 282.44

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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.