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Finding the Fourth Proportional to 507.37, 756.08 and 493.30

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Solution

The fourth proportional to 507.37, 756.08 and 493.30 is: 735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.37 : 756.08 = 493.30 : x
  2. Step 2: Convert to fraction form
    507.37/756.08 = 493.30/x
  3. Step 3: Cross multiply
    507.37x = 756.08 × 493.30
  4. Step 4: Simplify right side
    507.37x = 372,974.26
  5. Step 5: Solve for x
    x = 372,974.26/507.37
  6. Step 6: Final answer
    x = 735.11

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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.