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Finding the Fourth Proportional to 629.83, 945.00 and 282.92

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Solution

The fourth proportional to 629.83, 945.00 and 282.92 is: 424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.83 : 945.00 = 282.92 : x
  2. Step 2: Convert to fraction form
    629.83/945.00 = 282.92/x
  3. Step 3: Cross multiply
    629.83x = 945.00 × 282.92
  4. Step 4: Simplify right side
    629.83x = 267,357.99
  5. Step 5: Solve for x
    x = 267,357.99/629.83
  6. Step 6: Final answer
    x = 424.50

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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.