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Finding the Fourth Proportional to 58.73, 88.55 and 57.96

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Solution

The fourth proportional to 58.73, 88.55 and 57.96 is: 87.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.73 : 88.55 = 57.96 : x
  2. Step 2: Convert to fraction form
    58.73/88.55 = 57.96/x
  3. Step 3: Cross multiply
    58.73x = 88.55 × 57.96
  4. Step 4: Simplify right side
    58.73x = 5,132.59
  5. Step 5: Solve for x
    x = 5,132.59/58.73
  6. Step 6: Final answer
    x = 87.39

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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.