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Finding the Fourth Proportional to 507.08, 756.64 and 476.12

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Solution

The fourth proportional to 507.08, 756.64 and 476.12 is: 710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.08 : 756.64 = 476.12 : x
  2. Step 2: Convert to fraction form
    507.08/756.64 = 476.12/x
  3. Step 3: Cross multiply
    507.08x = 756.64 × 476.12
  4. Step 4: Simplify right side
    507.08x = 360,251.44
  5. Step 5: Solve for x
    x = 360,251.44/507.08
  6. Step 6: Final answer
    x = 710.44

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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.