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Finding the Fourth Proportional to 452.81, 675.29 and 409.07

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Solution

The fourth proportional to 452.81, 675.29 and 409.07 is: 610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.81 : 675.29 = 409.07 : x
  2. Step 2: Convert to fraction form
    452.81/675.29 = 409.07/x
  3. Step 3: Cross multiply
    452.81x = 675.29 × 409.07
  4. Step 4: Simplify right side
    452.81x = 276,235.46
  5. Step 5: Solve for x
    x = 276,235.46/452.81
  6. Step 6: Final answer
    x = 610.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.