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Finding the Fourth Proportional to 392, 587.52 and 351.04

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Solution

The fourth proportional to 392, 587.52 and 351.04 is: 526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392 : 587.52 = 351.04 : x
  2. Step 2: Convert to fraction form
    392/587.52 = 351.04/x
  3. Step 3: Cross multiply
    392x = 587.52 × 351.04
  4. Step 4: Simplify right side
    392x = 206,243.02
  5. Step 5: Solve for x
    x = 206,243.02/392
  6. Step 6: Final answer
    x = 526.13

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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.