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Finding the Fourth Proportional to 473.05, 652.26 and 409.90

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Solution

The fourth proportional to 473.05, 652.26 and 409.90 is: 565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.05 : 652.26 = 409.90 : x
  2. Step 2: Convert to fraction form
    473.05/652.26 = 409.90/x
  3. Step 3: Cross multiply
    473.05x = 652.26 × 409.90
  4. Step 4: Simplify right side
    473.05x = 267,361.37
  5. Step 5: Solve for x
    x = 267,361.37/473.05
  6. Step 6: Final answer
    x = 565.19

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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.