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Finding the Fourth Proportional to 59.41, 88.90 and 42.33

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Solution

The fourth proportional to 59.41, 88.90 and 42.33 is: 63.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.41 : 88.90 = 42.33 : x
  2. Step 2: Convert to fraction form
    59.41/88.90 = 42.33/x
  3. Step 3: Cross multiply
    59.41x = 88.90 × 42.33
  4. Step 4: Simplify right side
    59.41x = 3,762.93
  5. Step 5: Solve for x
    x = 3,762.93/59.41
  6. Step 6: Final answer
    x = 63.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.