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Finding the Fourth Proportional to 651.30, 899.19 and 504.27

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Solution

The fourth proportional to 651.30, 899.19 and 504.27 is: 696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.30 : 899.19 = 504.27 : x
  2. Step 2: Convert to fraction form
    651.30/899.19 = 504.27/x
  3. Step 3: Cross multiply
    651.30x = 899.19 × 504.27
  4. Step 4: Simplify right side
    651.30x = 453,434.54
  5. Step 5: Solve for x
    x = 453,434.54/651.30
  6. Step 6: Final answer
    x = 696.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.