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Finding the Fourth Proportional to 410.64, 566.94 and 300.39

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Solution

The fourth proportional to 410.64, 566.94 and 300.39 is: 414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.64 : 566.94 = 300.39 : x
  2. Step 2: Convert to fraction form
    410.64/566.94 = 300.39/x
  3. Step 3: Cross multiply
    410.64x = 566.94 × 300.39
  4. Step 4: Simplify right side
    410.64x = 170,303.11
  5. Step 5: Solve for x
    x = 170,303.11/410.64
  6. Step 6: Final answer
    x = 414.73

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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.