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Finding the Fourth Proportional to 555.66, 834.21 and 350.64

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Solution

The fourth proportional to 555.66, 834.21 and 350.64 is: 526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.66 : 834.21 = 350.64 : x
  2. Step 2: Convert to fraction form
    555.66/834.21 = 350.64/x
  3. Step 3: Cross multiply
    555.66x = 834.21 × 350.64
  4. Step 4: Simplify right side
    555.66x = 292,507.39
  5. Step 5: Solve for x
    x = 292,507.39/555.66
  6. Step 6: Final answer
    x = 526.41

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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.