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Finding the Fourth Proportional to 555.38, 832.50 and 350.09

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Solution

The fourth proportional to 555.38, 832.50 and 350.09 is: 524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.38 : 832.50 = 350.09 : x
  2. Step 2: Convert to fraction form
    555.38/832.50 = 350.09/x
  3. Step 3: Cross multiply
    555.38x = 832.50 × 350.09
  4. Step 4: Simplify right side
    555.38x = 291,449.93
  5. Step 5: Solve for x
    x = 291,449.93/555.38
  6. Step 6: Final answer
    x = 524.78

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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.