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Finding the Fourth Proportional to 632.02, 871.98 and 383.26

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Solution

The fourth proportional to 632.02, 871.98 and 383.26 is: 528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.02 : 871.98 = 383.26 : x
  2. Step 2: Convert to fraction form
    632.02/871.98 = 383.26/x
  3. Step 3: Cross multiply
    632.02x = 871.98 × 383.26
  4. Step 4: Simplify right side
    632.02x = 334,195.05
  5. Step 5: Solve for x
    x = 334,195.05/632.02
  6. Step 6: Final answer
    x = 528.77

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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.