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Finding the Fourth Proportional to 556.35, 832.74 and 351.10

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Solution

The fourth proportional to 556.35, 832.74 and 351.10 is: 525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.35 : 832.74 = 351.10 : x
  2. Step 2: Convert to fraction form
    556.35/832.74 = 351.10/x
  3. Step 3: Cross multiply
    556.35x = 832.74 × 351.10
  4. Step 4: Simplify right side
    556.35x = 292,375.01
  5. Step 5: Solve for x
    x = 292,375.01/556.35
  6. Step 6: Final answer
    x = 525.52

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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.