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Finding the Fourth Proportional to 316.52, 435.76 and 250.01

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Solution

The fourth proportional to 316.52, 435.76 and 250.01 is: 344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.52 : 435.76 = 250.01 : x
  2. Step 2: Convert to fraction form
    316.52/435.76 = 250.01/x
  3. Step 3: Cross multiply
    316.52x = 435.76 × 250.01
  4. Step 4: Simplify right side
    316.52x = 108,944.36
  5. Step 5: Solve for x
    x = 108,944.36/316.52
  6. Step 6: Final answer
    x = 344.19

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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.