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Finding the Fourth Proportional to 507.03, 756.84 and 474.99

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Solution

The fourth proportional to 507.03, 756.84 and 474.99 is: 709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.03 : 756.84 = 474.99 : x
  2. Step 2: Convert to fraction form
    507.03/756.84 = 474.99/x
  3. Step 3: Cross multiply
    507.03x = 756.84 × 474.99
  4. Step 4: Simplify right side
    507.03x = 359,491.43
  5. Step 5: Solve for x
    x = 359,491.43/507.03
  6. Step 6: Final answer
    x = 709.01

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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.