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Finding the Fourth Proportional to 362.27, 500.16 and 257.58

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Solution

The fourth proportional to 362.27, 500.16 and 257.58 is: 355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.27 : 500.16 = 257.58 : x
  2. Step 2: Convert to fraction form
    362.27/500.16 = 257.58/x
  3. Step 3: Cross multiply
    362.27x = 500.16 × 257.58
  4. Step 4: Simplify right side
    362.27x = 128,831.21
  5. Step 5: Solve for x
    x = 128,831.21/362.27
  6. Step 6: Final answer
    x = 355.62

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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.