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Finding the Fourth Proportional to 475.54, 711.99 and 359.62

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Solution

The fourth proportional to 475.54, 711.99 and 359.62 is: 538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.54 : 711.99 = 359.62 : x
  2. Step 2: Convert to fraction form
    475.54/711.99 = 359.62/x
  3. Step 3: Cross multiply
    475.54x = 711.99 × 359.62
  4. Step 4: Simplify right side
    475.54x = 256,045.84
  5. Step 5: Solve for x
    x = 256,045.84/475.54
  6. Step 6: Final answer
    x = 538.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.