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Finding the Fourth Proportional to 537.31, 741.51 and 348.30

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Solution

The fourth proportional to 537.31, 741.51 and 348.30 is: 480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.31 : 741.51 = 348.30 : x
  2. Step 2: Convert to fraction form
    537.31/741.51 = 348.30/x
  3. Step 3: Cross multiply
    537.31x = 741.51 × 348.30
  4. Step 4: Simplify right side
    537.31x = 258,265.01
  5. Step 5: Solve for x
    x = 258,265.01/537.31
  6. Step 6: Final answer
    x = 480.66

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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.