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Finding the Fourth Proportional to 317.04, 437.48 and 179.04

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Solution

The fourth proportional to 317.04, 437.48 and 179.04 is: 247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.04 : 437.48 = 179.04 : x
  2. Step 2: Convert to fraction form
    317.04/437.48 = 179.04/x
  3. Step 3: Cross multiply
    317.04x = 437.48 × 179.04
  4. Step 4: Simplify right side
    317.04x = 78,326.42
  5. Step 5: Solve for x
    x = 78,326.42/317.04
  6. Step 6: Final answer
    x = 247.06

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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.