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Finding the Fourth Proportional to 500, 750.18 and 460.04

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Solution

The fourth proportional to 500, 750.18 and 460.04 is: 690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500 : 750.18 = 460.04 : x
  2. Step 2: Convert to fraction form
    500/750.18 = 460.04/x
  3. Step 3: Cross multiply
    500x = 750.18 × 460.04
  4. Step 4: Simplify right side
    500x = 345,112.81
  5. Step 5: Solve for x
    x = 345,112.81/500
  6. Step 6: Final answer
    x = 690.23

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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.