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Finding the Fourth Proportional to 537.56, 741.75 and 316.49

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Solution

The fourth proportional to 537.56, 741.75 and 316.49 is: 436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.56 : 741.75 = 316.49 : x
  2. Step 2: Convert to fraction form
    537.56/741.75 = 316.49/x
  3. Step 3: Cross multiply
    537.56x = 741.75 × 316.49
  4. Step 4: Simplify right side
    537.56x = 234,756.46
  5. Step 5: Solve for x
    x = 234,756.46/537.56
  6. Step 6: Final answer
    x = 436.71

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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.