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Finding the Fourth Proportional to 536.56, 800.40 and 529.52

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Solution

The fourth proportional to 536.56, 800.40 and 529.52 is: 789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.56 : 800.40 = 529.52 : x
  2. Step 2: Convert to fraction form
    536.56/800.40 = 529.52/x
  3. Step 3: Cross multiply
    536.56x = 800.40 × 529.52
  4. Step 4: Simplify right side
    536.56x = 423,827.81
  5. Step 5: Solve for x
    x = 423,827.81/536.56
  6. Step 6: Final answer
    x = 789.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.