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Finding the Fourth Proportional to 500.85, 751.32 and 176.13

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Solution

The fourth proportional to 500.85, 751.32 and 176.13 is: 264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.85 : 751.32 = 176.13 : x
  2. Step 2: Convert to fraction form
    500.85/751.32 = 176.13/x
  3. Step 3: Cross multiply
    500.85x = 751.32 × 176.13
  4. Step 4: Simplify right side
    500.85x = 132,329.99
  5. Step 5: Solve for x
    x = 132,329.99/500.85
  6. Step 6: Final answer
    x = 264.21

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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.