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Finding the Fourth Proportional to 504.10, 756.30 and 179.40

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Solution

The fourth proportional to 504.10, 756.30 and 179.40 is: 269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.10 : 756.30 = 179.40 : x
  2. Step 2: Convert to fraction form
    504.10/756.30 = 179.40/x
  3. Step 3: Cross multiply
    504.10x = 756.30 × 179.40
  4. Step 4: Simplify right side
    504.10x = 135,680.22
  5. Step 5: Solve for x
    x = 135,680.22/504.10
  6. Step 6: Final answer
    x = 269.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.