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Finding the Fourth Proportional to 364.94, 546.72 and 202.70

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Solution

The fourth proportional to 364.94, 546.72 and 202.70 is: 303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.94 : 546.72 = 202.70 : x
  2. Step 2: Convert to fraction form
    364.94/546.72 = 202.70/x
  3. Step 3: Cross multiply
    364.94x = 546.72 × 202.70
  4. Step 4: Simplify right side
    364.94x = 110,820.14
  5. Step 5: Solve for x
    x = 110,820.14/364.94
  6. Step 6: Final answer
    x = 303.67

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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.