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Finding the Fourth Proportional to 59.94, 89.33 and 59.42

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Solution

The fourth proportional to 59.94, 89.33 and 59.42 is: 88.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.94 : 89.33 = 59.42 : x
  2. Step 2: Convert to fraction form
    59.94/89.33 = 59.42/x
  3. Step 3: Cross multiply
    59.94x = 89.33 × 59.42
  4. Step 4: Simplify right side
    59.94x = 5,307.24
  5. Step 5: Solve for x
    x = 5,307.24/59.94
  6. Step 6: Final answer
    x = 88.54

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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.