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Finding the Fourth Proportional to 58.92, 88.83 and 55.77

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Solution

The fourth proportional to 58.92, 88.83 and 55.77 is: 84.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.92 : 88.83 = 55.77 : x
  2. Step 2: Convert to fraction form
    58.92/88.83 = 55.77/x
  3. Step 3: Cross multiply
    58.92x = 88.83 × 55.77
  4. Step 4: Simplify right side
    58.92x = 4,954.05
  5. Step 5: Solve for x
    x = 4,954.05/58.92
  6. Step 6: Final answer
    x = 84.08

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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.