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Finding the Fourth Proportional to 341.81, 511.19 and 303.54

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Solution

The fourth proportional to 341.81, 511.19 and 303.54 is: 453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.81 : 511.19 = 303.54 : x
  2. Step 2: Convert to fraction form
    341.81/511.19 = 303.54/x
  3. Step 3: Cross multiply
    341.81x = 511.19 × 303.54
  4. Step 4: Simplify right side
    341.81x = 155,166.61
  5. Step 5: Solve for x
    x = 155,166.61/341.81
  6. Step 6: Final answer
    x = 453.96

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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.