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Finding the Fourth Proportional to 400.15, 600.18 and 332.11

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Solution

The fourth proportional to 400.15, 600.18 and 332.11 is: 498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.15 : 600.18 = 332.11 : x
  2. Step 2: Convert to fraction form
    400.15/600.18 = 332.11/x
  3. Step 3: Cross multiply
    400.15x = 600.18 × 332.11
  4. Step 4: Simplify right side
    400.15x = 199,325.28
  5. Step 5: Solve for x
    x = 199,325.28/400.15
  6. Step 6: Final answer
    x = 498.12

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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.