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Finding the Fourth Proportional to 500.72, 751.20 and 176.04

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Solution

The fourth proportional to 500.72, 751.20 and 176.04 is: 264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.72 : 751.20 = 176.04 : x
  2. Step 2: Convert to fraction form
    500.72/751.20 = 176.04/x
  3. Step 3: Cross multiply
    500.72x = 751.20 × 176.04
  4. Step 4: Simplify right side
    500.72x = 132,241.25
  5. Step 5: Solve for x
    x = 132,241.25/500.72
  6. Step 6: Final answer
    x = 264.10

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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.