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Finding the Fourth Proportional to 536.24, 804.60 and 353.72

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Solution

The fourth proportional to 536.24, 804.60 and 353.72 is: 530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.24 : 804.60 = 353.72 : x
  2. Step 2: Convert to fraction form
    536.24/804.60 = 353.72/x
  3. Step 3: Cross multiply
    536.24x = 804.60 × 353.72
  4. Step 4: Simplify right side
    536.24x = 284,603.11
  5. Step 5: Solve for x
    x = 284,603.11/536.24
  6. Step 6: Final answer
    x = 530.74

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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.