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Finding the Fourth Proportional to 318.59, 476.10 and 301.04

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Solution

The fourth proportional to 318.59, 476.10 and 301.04 is: 449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318.59 : 476.10 = 301.04 : x
  2. Step 2: Convert to fraction form
    318.59/476.10 = 301.04/x
  3. Step 3: Cross multiply
    318.59x = 476.10 × 301.04
  4. Step 4: Simplify right side
    318.59x = 143,323.64
  5. Step 5: Solve for x
    x = 143,323.64/318.59
  6. Step 6: Final answer
    x = 449.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.