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Finding the Fourth Proportional to 60.35, 83.16 and 43.98

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Solution

The fourth proportional to 60.35, 83.16 and 43.98 is: 60.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.35 : 83.16 = 43.98 : x
  2. Step 2: Convert to fraction form
    60.35/83.16 = 43.98/x
  3. Step 3: Cross multiply
    60.35x = 83.16 × 43.98
  4. Step 4: Simplify right side
    60.35x = 3,657.06
  5. Step 5: Solve for x
    x = 3,657.06/60.35
  6. Step 6: Final answer
    x = 60.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.