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Finding the Fourth Proportional to 536.98, 805.26 and 228.67

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Solution

The fourth proportional to 536.98, 805.26 and 228.67 is: 342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.98 : 805.26 = 228.67 : x
  2. Step 2: Convert to fraction form
    536.98/805.26 = 228.67/x
  3. Step 3: Cross multiply
    536.98x = 805.26 × 228.67
  4. Step 4: Simplify right side
    536.98x = 184,139.38
  5. Step 5: Solve for x
    x = 184,139.38/536.98
  6. Step 6: Final answer
    x = 342.92

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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.