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Finding the Fourth Proportional to 19.58, 29.35 and 16.02

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Solution

The fourth proportional to 19.58, 29.35 and 16.02 is: 24.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.58 : 29.35 = 16.02 : x
  2. Step 2: Convert to fraction form
    19.58/29.35 = 16.02/x
  3. Step 3: Cross multiply
    19.58x = 29.35 × 16.02
  4. Step 4: Simplify right side
    19.58x = 470.19
  5. Step 5: Solve for x
    x = 470.19/19.58
  6. Step 6: Final answer
    x = 24.01

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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.