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Finding the Fourth Proportional to 202.88, 304.58 and 175.63

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Solution

The fourth proportional to 202.88, 304.58 and 175.63 is: 263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.88 : 304.58 = 175.63 : x
  2. Step 2: Convert to fraction form
    202.88/304.58 = 175.63/x
  3. Step 3: Cross multiply
    202.88x = 304.58 × 175.63
  4. Step 4: Simplify right side
    202.88x = 53,493.39
  5. Step 5: Solve for x
    x = 53,493.39/202.88
  6. Step 6: Final answer
    x = 263.67

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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.