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Finding the Fourth Proportional to 362.96, 544.58 and 286.72

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Solution

The fourth proportional to 362.96, 544.58 and 286.72 is: 430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.96 : 544.58 = 286.72 : x
  2. Step 2: Convert to fraction form
    362.96/544.58 = 286.72/x
  3. Step 3: Cross multiply
    362.96x = 544.58 × 286.72
  4. Step 4: Simplify right side
    362.96x = 156,141.98
  5. Step 5: Solve for x
    x = 156,141.98/362.96
  6. Step 6: Final answer
    x = 430.19

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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.