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Finding the Fourth Proportional to 410.60, 567.14 and 401.64

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Solution

The fourth proportional to 410.60, 567.14 and 401.64 is: 554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.60 : 567.14 = 401.64 : x
  2. Step 2: Convert to fraction form
    410.60/567.14 = 401.64/x
  3. Step 3: Cross multiply
    410.60x = 567.14 × 401.64
  4. Step 4: Simplify right side
    410.60x = 227,786.11
  5. Step 5: Solve for x
    x = 227,786.11/410.60
  6. Step 6: Final answer
    x = 554.76

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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.