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Finding the Fourth Proportional to 500.19, 750.07 and 171.04

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Solution

The fourth proportional to 500.19, 750.07 and 171.04 is: 256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.19 : 750.07 = 171.04 : x
  2. Step 2: Convert to fraction form
    500.19/750.07 = 171.04/x
  3. Step 3: Cross multiply
    500.19x = 750.07 × 171.04
  4. Step 4: Simplify right side
    500.19x = 128,292.20
  5. Step 5: Solve for x
    x = 128,292.20/500.19
  6. Step 6: Final answer
    x = 256.49

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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.