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Finding the Fourth Proportional to 372.59, 556.38 and 304.25

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Solution

The fourth proportional to 372.59, 556.38 and 304.25 is: 454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.59 : 556.38 = 304.25 : x
  2. Step 2: Convert to fraction form
    372.59/556.38 = 304.25/x
  3. Step 3: Cross multiply
    372.59x = 556.38 × 304.25
  4. Step 4: Simplify right side
    372.59x = 169,274.31
  5. Step 5: Solve for x
    x = 169,274.31/372.59
  6. Step 6: Final answer
    x = 454.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.