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Finding the Fourth Proportional to 606.04, 908.88 and 317.08

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Solution

The fourth proportional to 606.04, 908.88 and 317.08 is: 475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.04 : 908.88 = 317.08 : x
  2. Step 2: Convert to fraction form
    606.04/908.88 = 317.08/x
  3. Step 3: Cross multiply
    606.04x = 908.88 × 317.08
  4. Step 4: Simplify right side
    606.04x = 288,187.67
  5. Step 5: Solve for x
    x = 288,187.67/606.04
  6. Step 6: Final answer
    x = 475.53

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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.