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Finding the Fourth Proportional to 406.12, 560.10 and 332.44

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Solution

The fourth proportional to 406.12, 560.10 and 332.44 is: 458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.12 : 560.10 = 332.44 : x
  2. Step 2: Convert to fraction form
    406.12/560.10 = 332.44/x
  3. Step 3: Cross multiply
    406.12x = 560.10 × 332.44
  4. Step 4: Simplify right side
    406.12x = 186,199.64
  5. Step 5: Solve for x
    x = 186,199.64/406.12
  6. Step 6: Final answer
    x = 458.48

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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.