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Finding the Fourth Proportional to 55.26, 82.93 and 34.67

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Solution

The fourth proportional to 55.26, 82.93 and 34.67 is: 52.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.26 : 82.93 = 34.67 : x
  2. Step 2: Convert to fraction form
    55.26/82.93 = 34.67/x
  3. Step 3: Cross multiply
    55.26x = 82.93 × 34.67
  4. Step 4: Simplify right side
    55.26x = 2,875.18
  5. Step 5: Solve for x
    x = 2,875.18/55.26
  6. Step 6: Final answer
    x = 52.03

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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.