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Finding the Fourth Proportional to 60.29, 90.43 and 29.87

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Solution

The fourth proportional to 60.29, 90.43 and 29.87 is: 44.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.29 : 90.43 = 29.87 : x
  2. Step 2: Convert to fraction form
    60.29/90.43 = 29.87/x
  3. Step 3: Cross multiply
    60.29x = 90.43 × 29.87
  4. Step 4: Simplify right side
    60.29x = 2,701.41
  5. Step 5: Solve for x
    x = 2,701.41/60.29
  6. Step 6: Final answer
    x = 44.81

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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.