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Finding the Fourth Proportional to 537.55, 741.81 and 304.66

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Solution

The fourth proportional to 537.55, 741.81 and 304.66 is: 420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.55 : 741.81 = 304.66 : x
  2. Step 2: Convert to fraction form
    537.55/741.81 = 304.66/x
  3. Step 3: Cross multiply
    537.55x = 741.81 × 304.66
  4. Step 4: Simplify right side
    537.55x = 225,999.83
  5. Step 5: Solve for x
    x = 225,999.83/537.55
  6. Step 6: Final answer
    x = 420.43

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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.