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Finding the Fourth Proportional to 465.33, 698.00 and 201.74

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Solution

The fourth proportional to 465.33, 698.00 and 201.74 is: 302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.33 : 698.00 = 201.74 : x
  2. Step 2: Convert to fraction form
    465.33/698.00 = 201.74/x
  3. Step 3: Cross multiply
    465.33x = 698.00 × 201.74
  4. Step 4: Simplify right side
    465.33x = 140,810.02
  5. Step 5: Solve for x
    x = 140,810.02/465.33
  6. Step 6: Final answer
    x = 302.60

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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.