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Finding the Fourth Proportional to 507.03, 756.12 and 451.02

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Solution

The fourth proportional to 507.03, 756.12 and 451.02 is: 672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.03 : 756.12 = 451.02 : x
  2. Step 2: Convert to fraction form
    507.03/756.12 = 451.02/x
  3. Step 3: Cross multiply
    507.03x = 756.12 × 451.02
  4. Step 4: Simplify right side
    507.03x = 341,025.24
  5. Step 5: Solve for x
    x = 341,025.24/507.03
  6. Step 6: Final answer
    x = 672.59

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.