Home / 537.28-741.40-316.20

Finding the Fourth Proportional to 537.28, 741.40 and 316.20

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Solution

The fourth proportional to 537.28, 741.40 and 316.20 is: 436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.28 : 741.40 = 316.20 : x
  2. Step 2: Convert to fraction form
    537.28/741.40 = 316.20/x
  3. Step 3: Cross multiply
    537.28x = 741.40 × 316.20
  4. Step 4: Simplify right side
    537.28x = 234,430.68
  5. Step 5: Solve for x
    x = 234,430.68/537.28
  6. Step 6: Final answer
    x = 436.33

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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.