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Finding the Fourth Proportional to 536.72, 804.44 and 354.08

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Solution

The fourth proportional to 536.72, 804.44 and 354.08 is: 530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.72 : 804.44 = 354.08 : x
  2. Step 2: Convert to fraction form
    536.72/804.44 = 354.08/x
  3. Step 3: Cross multiply
    536.72x = 804.44 × 354.08
  4. Step 4: Simplify right side
    536.72x = 284,836.12
  5. Step 5: Solve for x
    x = 284,836.12/536.72
  6. Step 6: Final answer
    x = 530.70

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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.