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Finding the Fourth Proportional to 347.88, 524.44 and 299.52

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Solution

The fourth proportional to 347.88, 524.44 and 299.52 is: 451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.88 : 524.44 = 299.52 : x
  2. Step 2: Convert to fraction form
    347.88/524.44 = 299.52/x
  3. Step 3: Cross multiply
    347.88x = 524.44 × 299.52
  4. Step 4: Simplify right side
    347.88x = 157,080.27
  5. Step 5: Solve for x
    x = 157,080.27/347.88
  6. Step 6: Final answer
    x = 451.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.