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Finding the Fourth Proportional to 59.42, 88.89 and 48.02

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Solution

The fourth proportional to 59.42, 88.89 and 48.02 is: 71.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.42 : 88.89 = 48.02 : x
  2. Step 2: Convert to fraction form
    59.42/88.89 = 48.02/x
  3. Step 3: Cross multiply
    59.42x = 88.89 × 48.02
  4. Step 4: Simplify right side
    59.42x = 4,268.50
  5. Step 5: Solve for x
    x = 4,268.50/59.42
  6. Step 6: Final answer
    x = 71.84

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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.