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Finding the Fourth Proportional to 1,049.10, 1,572.62 and 464.42

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Solution

The fourth proportional to 1,049.10, 1,572.62 and 464.42 is: 696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.10 : 1,572.62 = 464.42 : x
  2. Step 2: Convert to fraction form
    1,049.10/1,572.62 = 464.42/x
  3. Step 3: Cross multiply
    1,049.10x = 1,572.62 × 464.42
  4. Step 4: Simplify right side
    1,049.10x = 730,356.18
  5. Step 5: Solve for x
    x = 730,356.18/1,049.10
  6. Step 6: Final answer
    x = 696.17

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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.