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Finding the Fourth Proportional to 633.58, 874.27 and 384.96

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Solution

The fourth proportional to 633.58, 874.27 and 384.96 is: 531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.58 : 874.27 = 384.96 : x
  2. Step 2: Convert to fraction form
    633.58/874.27 = 384.96/x
  3. Step 3: Cross multiply
    633.58x = 874.27 × 384.96
  4. Step 4: Simplify right side
    633.58x = 336,558.98
  5. Step 5: Solve for x
    x = 336,558.98/633.58
  6. Step 6: Final answer
    x = 531.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.