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Finding the Fourth Proportional to 202.24, 303.36 and 57.95

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Solution

The fourth proportional to 202.24, 303.36 and 57.95 is: 86.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.24 : 303.36 = 57.95 : x
  2. Step 2: Convert to fraction form
    202.24/303.36 = 57.95/x
  3. Step 3: Cross multiply
    202.24x = 303.36 × 57.95
  4. Step 4: Simplify right side
    202.24x = 17,580.82
  5. Step 5: Solve for x
    x = 17,580.82/202.24
  6. Step 6: Final answer
    x = 86.93

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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.