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Finding the Fourth Proportional to 59.03, 87.79 and 58.89

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Solution

The fourth proportional to 59.03, 87.79 and 58.89 is: 87.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.03 : 87.79 = 58.89 : x
  2. Step 2: Convert to fraction form
    59.03/87.79 = 58.89/x
  3. Step 3: Cross multiply
    59.03x = 87.79 × 58.89
  4. Step 4: Simplify right side
    59.03x = 5,169.81
  5. Step 5: Solve for x
    x = 5,169.81/59.03
  6. Step 6: Final answer
    x = 87.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.