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Finding the Fourth Proportional to 605.04, 906.84 and 460.32

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Solution

The fourth proportional to 605.04, 906.84 and 460.32 is: 689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.04 : 906.84 = 460.32 : x
  2. Step 2: Convert to fraction form
    605.04/906.84 = 460.32/x
  3. Step 3: Cross multiply
    605.04x = 906.84 × 460.32
  4. Step 4: Simplify right side
    605.04x = 417,436.59
  5. Step 5: Solve for x
    x = 417,436.59/605.04
  6. Step 6: Final answer
    x = 689.93

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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.