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Finding the Fourth Proportional to 60.82, 90.58 and 60.10

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Solution

The fourth proportional to 60.82, 90.58 and 60.10 is: 89.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.82 : 90.58 = 60.10 : x
  2. Step 2: Convert to fraction form
    60.82/90.58 = 60.10/x
  3. Step 3: Cross multiply
    60.82x = 90.58 × 60.10
  4. Step 4: Simplify right side
    60.82x = 5,443.86
  5. Step 5: Solve for x
    x = 5,443.86/60.82
  6. Step 6: Final answer
    x = 89.51

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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.