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Finding the Fourth Proportional to 314.92, 434.59 and 175.04

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Solution

The fourth proportional to 314.92, 434.59 and 175.04 is: 241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.92 : 434.59 = 175.04 : x
  2. Step 2: Convert to fraction form
    314.92/434.59 = 175.04/x
  3. Step 3: Cross multiply
    314.92x = 434.59 × 175.04
  4. Step 4: Simplify right side
    314.92x = 76,070.63
  5. Step 5: Solve for x
    x = 76,070.63/314.92
  6. Step 6: Final answer
    x = 241.56

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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.