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Finding the Fourth Proportional to 347.68, 520.74 and 184.84

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Solution

The fourth proportional to 347.68, 520.74 and 184.84 is: 276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.68 : 520.74 = 184.84 : x
  2. Step 2: Convert to fraction form
    347.68/520.74 = 184.84/x
  3. Step 3: Cross multiply
    347.68x = 520.74 × 184.84
  4. Step 4: Simplify right side
    347.68x = 96,253.58
  5. Step 5: Solve for x
    x = 96,253.58/347.68
  6. Step 6: Final answer
    x = 276.85

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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.