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Finding the Fourth Proportional to 536.46, 803.61 and 372.12

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Solution

The fourth proportional to 536.46, 803.61 and 372.12 is: 557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.46 : 803.61 = 372.12 : x
  2. Step 2: Convert to fraction form
    536.46/803.61 = 372.12/x
  3. Step 3: Cross multiply
    536.46x = 803.61 × 372.12
  4. Step 4: Simplify right side
    536.46x = 299,039.35
  5. Step 5: Solve for x
    x = 299,039.35/536.46
  6. Step 6: Final answer
    x = 557.43

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Why These Related Problems?

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