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Finding the Fourth Proportional to 349.89, 524.48 and 176.03

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Solution

The fourth proportional to 349.89, 524.48 and 176.03 is: 263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.89 : 524.48 = 176.03 : x
  2. Step 2: Convert to fraction form
    349.89/524.48 = 176.03/x
  3. Step 3: Cross multiply
    349.89x = 524.48 × 176.03
  4. Step 4: Simplify right side
    349.89x = 92,320.71
  5. Step 5: Solve for x
    x = 92,320.71/349.89
  6. Step 6: Final answer
    x = 263.86

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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.