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Finding the Fourth Proportional to 350.77, 525.03 and 317.95

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Solution

The fourth proportional to 350.77, 525.03 and 317.95 is: 475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.77 : 525.03 = 317.95 : x
  2. Step 2: Convert to fraction form
    350.77/525.03 = 317.95/x
  3. Step 3: Cross multiply
    350.77x = 525.03 × 317.95
  4. Step 4: Simplify right side
    350.77x = 166,933.29
  5. Step 5: Solve for x
    x = 166,933.29/350.77
  6. Step 6: Final answer
    x = 475.91

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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.