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Finding the Fourth Proportional to 362.54, 500.38 and 207.30

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Solution

The fourth proportional to 362.54, 500.38 and 207.30 is: 286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.54 : 500.38 = 207.30 : x
  2. Step 2: Convert to fraction form
    362.54/500.38 = 207.30/x
  3. Step 3: Cross multiply
    362.54x = 500.38 × 207.30
  4. Step 4: Simplify right side
    362.54x = 103,728.77
  5. Step 5: Solve for x
    x = 103,728.77/362.54
  6. Step 6: Final answer
    x = 286.12

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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.