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Finding the Fourth Proportional to 452.09, 677.11 and 354.48

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Solution

The fourth proportional to 452.09, 677.11 and 354.48 is: 530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.09 : 677.11 = 354.48 : x
  2. Step 2: Convert to fraction form
    452.09/677.11 = 354.48/x
  3. Step 3: Cross multiply
    452.09x = 677.11 × 354.48
  4. Step 4: Simplify right side
    452.09x = 240,020.18
  5. Step 5: Solve for x
    x = 240,020.18/452.09
  6. Step 6: Final answer
    x = 530.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.