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Finding the Fourth Proportional to 350.53, 524.88 and 281.88

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Solution

The fourth proportional to 350.53, 524.88 and 281.88 is: 422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.53 : 524.88 = 281.88 : x
  2. Step 2: Convert to fraction form
    350.53/524.88 = 281.88/x
  3. Step 3: Cross multiply
    350.53x = 524.88 × 281.88
  4. Step 4: Simplify right side
    350.53x = 147,953.17
  5. Step 5: Solve for x
    x = 147,953.17/350.53
  6. Step 6: Final answer
    x = 422.09

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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.