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Finding the Fourth Proportional to 1,500.64, 2,250.10 and 460.37

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Solution

The fourth proportional to 1,500.64, 2,250.10 and 460.37 is: 690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.64 : 2,250.10 = 460.37 : x
  2. Step 2: Convert to fraction form
    1,500.64/2,250.10 = 460.37/x
  3. Step 3: Cross multiply
    1,500.64x = 2,250.10 × 460.37
  4. Step 4: Simplify right side
    1,500.64x = 1,035,878.54
  5. Step 5: Solve for x
    x = 1,035,878.54/1,500.64
  6. Step 6: Final answer
    x = 690.29

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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.