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Finding the Fourth Proportional to 303.46, 453.31 and 292.66

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Solution

The fourth proportional to 303.46, 453.31 and 292.66 is: 437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.46 : 453.31 = 292.66 : x
  2. Step 2: Convert to fraction form
    303.46/453.31 = 292.66/x
  3. Step 3: Cross multiply
    303.46x = 453.31 × 292.66
  4. Step 4: Simplify right side
    303.46x = 132,665.70
  5. Step 5: Solve for x
    x = 132,665.70/303.46
  6. Step 6: Final answer
    x = 437.18

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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.