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Finding the Fourth Proportional to 825.14, 1,237.73 and 462.24

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Solution

The fourth proportional to 825.14, 1,237.73 and 462.24 is: 693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    825.14 : 1,237.73 = 462.24 : x
  2. Step 2: Convert to fraction form
    825.14/1,237.73 = 462.24/x
  3. Step 3: Cross multiply
    825.14x = 1,237.73 × 462.24
  4. Step 4: Simplify right side
    825.14x = 572,128.32
  5. Step 5: Solve for x
    x = 572,128.32/825.14
  6. Step 6: Final answer
    x = 693.37

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1.5x scale

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.