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Finding the Fourth Proportional to 316.94, 437.51 and 268.07

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Solution

The fourth proportional to 316.94, 437.51 and 268.07 is: 370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.94 : 437.51 = 268.07 : x
  2. Step 2: Convert to fraction form
    316.94/437.51 = 268.07/x
  3. Step 3: Cross multiply
    316.94x = 437.51 × 268.07
  4. Step 4: Simplify right side
    316.94x = 117,281.97
  5. Step 5: Solve for x
    x = 117,281.97/316.94
  6. Step 6: Final answer
    x = 370.04

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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.