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Finding the Fourth Proportional to 452.00, 675.65 and 391.01

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Solution

The fourth proportional to 452.00, 675.65 and 391.01 is: 584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.00 : 675.65 = 391.01 : x
  2. Step 2: Convert to fraction form
    452.00/675.65 = 391.01/x
  3. Step 3: Cross multiply
    452.00x = 675.65 × 391.01
  4. Step 4: Simplify right side
    452.00x = 264,183.51
  5. Step 5: Solve for x
    x = 264,183.51/452.00
  6. Step 6: Final answer
    x = 584.47

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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.