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Finding the Fourth Proportional to 537.29, 741.63 and 316.32

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Solution

The fourth proportional to 537.29, 741.63 and 316.32 is: 436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.29 : 741.63 = 316.32 : x
  2. Step 2: Convert to fraction form
    537.29/741.63 = 316.32/x
  3. Step 3: Cross multiply
    537.29x = 741.63 × 316.32
  4. Step 4: Simplify right side
    537.29x = 234,592.40
  5. Step 5: Solve for x
    x = 234,592.40/537.29
  6. Step 6: Final answer
    x = 436.62

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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.