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Finding the Fourth Proportional to 316.28, 437.58 and 301.88

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Solution

The fourth proportional to 316.28, 437.58 and 301.88 is: 417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.28 : 437.58 = 301.88 : x
  2. Step 2: Convert to fraction form
    316.28/437.58 = 301.88/x
  3. Step 3: Cross multiply
    316.28x = 437.58 × 301.88
  4. Step 4: Simplify right side
    316.28x = 132,096.65
  5. Step 5: Solve for x
    x = 132,096.65/316.28
  6. Step 6: Final answer
    x = 417.66

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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.