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Finding the Fourth Proportional to 55.93, 83.93 and 43.98

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Solution

The fourth proportional to 55.93, 83.93 and 43.98 is: 66.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.93 : 83.93 = 43.98 : x
  2. Step 2: Convert to fraction form
    55.93/83.93 = 43.98/x
  3. Step 3: Cross multiply
    55.93x = 83.93 × 43.98
  4. Step 4: Simplify right side
    55.93x = 3,691.24
  5. Step 5: Solve for x
    x = 3,691.24/55.93
  6. Step 6: Final answer
    x = 66.00

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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.