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Finding the Fourth Proportional to 476.14, 657.03 and 301.45

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Solution

The fourth proportional to 476.14, 657.03 and 301.45 is: 415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.14 : 657.03 = 301.45 : x
  2. Step 2: Convert to fraction form
    476.14/657.03 = 301.45/x
  3. Step 3: Cross multiply
    476.14x = 657.03 × 301.45
  4. Step 4: Simplify right side
    476.14x = 198,061.69
  5. Step 5: Solve for x
    x = 198,061.69/476.14
  6. Step 6: Final answer
    x = 415.97

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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.