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Finding the Fourth Proportional to 347.66, 479.77 and 192.41

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Solution

The fourth proportional to 347.66, 479.77 and 192.41 is: 265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.66 : 479.77 = 192.41 : x
  2. Step 2: Convert to fraction form
    347.66/479.77 = 192.41/x
  3. Step 3: Cross multiply
    347.66x = 479.77 × 192.41
  4. Step 4: Simplify right side
    347.66x = 92,311.58
  5. Step 5: Solve for x
    x = 92,311.58/347.66
  6. Step 6: Final answer
    x = 265.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.