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Finding the Fourth Proportional to 514.93, 772.25 and 202.53

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Solution

The fourth proportional to 514.93, 772.25 and 202.53 is: 303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.93 : 772.25 = 202.53 : x
  2. Step 2: Convert to fraction form
    514.93/772.25 = 202.53/x
  3. Step 3: Cross multiply
    514.93x = 772.25 × 202.53
  4. Step 4: Simplify right side
    514.93x = 156,398.92
  5. Step 5: Solve for x
    x = 156,398.92/514.93
  6. Step 6: Final answer
    x = 303.73

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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.