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Finding the Fourth Proportional to 59.29, 89.25 and 55.98

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Solution

The fourth proportional to 59.29, 89.25 and 55.98 is: 84.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.29 : 89.25 = 55.98 : x
  2. Step 2: Convert to fraction form
    59.29/89.25 = 55.98/x
  3. Step 3: Cross multiply
    59.29x = 89.25 × 55.98
  4. Step 4: Simplify right side
    59.29x = 4,996.40
  5. Step 5: Solve for x
    x = 4,996.40/59.29
  6. Step 6: Final answer
    x = 84.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.