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Finding the Fourth Proportional to 59.23, 88.71 and 42.03

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Solution

The fourth proportional to 59.23, 88.71 and 42.03 is: 62.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.23 : 88.71 = 42.03 : x
  2. Step 2: Convert to fraction form
    59.23/88.71 = 42.03/x
  3. Step 3: Cross multiply
    59.23x = 88.71 × 42.03
  4. Step 4: Simplify right side
    59.23x = 3,728.66
  5. Step 5: Solve for x
    x = 3,728.66/59.23
  6. Step 6: Final answer
    x = 62.95

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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.