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Finding the Fourth Proportional to 362.40, 543.33 and 179.74

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Solution

The fourth proportional to 362.40, 543.33 and 179.74 is: 269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.40 : 543.33 = 179.74 : x
  2. Step 2: Convert to fraction form
    362.40/543.33 = 179.74/x
  3. Step 3: Cross multiply
    362.40x = 543.33 × 179.74
  4. Step 4: Simplify right side
    362.40x = 97,658.13
  5. Step 5: Solve for x
    x = 97,658.13/362.40
  6. Step 6: Final answer
    x = 269.48

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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.