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Finding the Fourth Proportional to 537.22, 741.39 and 316.16

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Solution

The fourth proportional to 537.22, 741.39 and 316.16 is: 436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.22 : 741.39 = 316.16 : x
  2. Step 2: Convert to fraction form
    537.22/741.39 = 316.16/x
  3. Step 3: Cross multiply
    537.22x = 741.39 × 316.16
  4. Step 4: Simplify right side
    537.22x = 234,397.86
  5. Step 5: Solve for x
    x = 234,397.86/537.22
  6. Step 6: Final answer
    x = 436.32

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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.