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Finding the Fourth Proportional to 362.29, 543.43 and 88.38

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Solution

The fourth proportional to 362.29, 543.43 and 88.38 is: 132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.29 : 543.43 = 88.38 : x
  2. Step 2: Convert to fraction form
    362.29/543.43 = 88.38/x
  3. Step 3: Cross multiply
    362.29x = 543.43 × 88.38
  4. Step 4: Simplify right side
    362.29x = 48,029.48
  5. Step 5: Solve for x
    x = 48,029.48/362.29
  6. Step 6: Final answer
    x = 132.57

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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.