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Finding the Fourth Proportional to 59.72, 88.83 and 58.64

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Solution

The fourth proportional to 59.72, 88.83 and 58.64 is: 87.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.72 : 88.83 = 58.64 : x
  2. Step 2: Convert to fraction form
    59.72/88.83 = 58.64/x
  3. Step 3: Cross multiply
    59.72x = 88.83 × 58.64
  4. Step 4: Simplify right side
    59.72x = 5,208.55
  5. Step 5: Solve for x
    x = 5,208.55/59.72
  6. Step 6: Final answer
    x = 87.22

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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.