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Finding the Fourth Proportional to 536.63, 805.51 and 228.62

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Solution

The fourth proportional to 536.63, 805.51 and 228.62 is: 343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.63 : 805.51 = 228.62 : x
  2. Step 2: Convert to fraction form
    536.63/805.51 = 228.62/x
  3. Step 3: Cross multiply
    536.63x = 805.51 × 228.62
  4. Step 4: Simplify right side
    536.63x = 184,158.00
  5. Step 5: Solve for x
    x = 184,158.00/536.63
  6. Step 6: Final answer
    x = 343.18

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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.