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Finding the Fourth Proportional to 1,640.24, 2,460.64 and 600.32

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Solution

The fourth proportional to 1,640.24, 2,460.64 and 600.32 is: 900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.24 : 2,460.64 = 600.32 : x
  2. Step 2: Convert to fraction form
    1,640.24/2,460.64 = 600.32/x
  3. Step 3: Cross multiply
    1,640.24x = 2,460.64 × 600.32
  4. Step 4: Simplify right side
    1,640.24x = 1,477,171.40
  5. Step 5: Solve for x
    x = 1,477,171.40/1,640.24
  6. Step 6: Final answer
    x = 900.58

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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.