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Finding the Fourth Proportional to 317.04, 475.98 and 163.07

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Solution

The fourth proportional to 317.04, 475.98 and 163.07 is: 244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.04 : 475.98 = 163.07 : x
  2. Step 2: Convert to fraction form
    317.04/475.98 = 163.07/x
  3. Step 3: Cross multiply
    317.04x = 475.98 × 163.07
  4. Step 4: Simplify right side
    317.04x = 77,618.06
  5. Step 5: Solve for x
    x = 77,618.06/317.04
  6. Step 6: Final answer
    x = 244.82

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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.