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Finding the Fourth Proportional to 61.06, 91.01 and 59.44

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Solution

The fourth proportional to 61.06, 91.01 and 59.44 is: 88.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.06 : 91.01 = 59.44 : x
  2. Step 2: Convert to fraction form
    61.06/91.01 = 59.44/x
  3. Step 3: Cross multiply
    61.06x = 91.01 × 59.44
  4. Step 4: Simplify right side
    61.06x = 5,409.63
  5. Step 5: Solve for x
    x = 5,409.63/61.06
  6. Step 6: Final answer
    x = 88.60

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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.