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Finding the Fourth Proportional to 475.53, 655.25 and 350.99

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Solution

The fourth proportional to 475.53, 655.25 and 350.99 is: 483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.53 : 655.25 = 350.99 : x
  2. Step 2: Convert to fraction form
    475.53/655.25 = 350.99/x
  3. Step 3: Cross multiply
    475.53x = 655.25 × 350.99
  4. Step 4: Simplify right side
    475.53x = 229,986.20
  5. Step 5: Solve for x
    x = 229,986.20/475.53
  6. Step 6: Final answer
    x = 483.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.