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Finding the Fourth Proportional to 349.06, 524.13 and 300.85

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Solution

The fourth proportional to 349.06, 524.13 and 300.85 is: 451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.06 : 524.13 = 300.85 : x
  2. Step 2: Convert to fraction form
    349.06/524.13 = 300.85/x
  3. Step 3: Cross multiply
    349.06x = 524.13 × 300.85
  4. Step 4: Simplify right side
    349.06x = 157,684.89
  5. Step 5: Solve for x
    x = 157,684.89/349.06
  6. Step 6: Final answer
    x = 451.74

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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.