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Finding the Fourth Proportional to 43.52, 60.30 and 42.58

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Solution

The fourth proportional to 43.52, 60.30 and 42.58 is: 59.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.52 : 60.30 = 42.58 : x
  2. Step 2: Convert to fraction form
    43.52/60.30 = 42.58/x
  3. Step 3: Cross multiply
    43.52x = 60.30 × 42.58
  4. Step 4: Simplify right side
    43.52x = 2,567.57
  5. Step 5: Solve for x
    x = 2,567.57/43.52
  6. Step 6: Final answer
    x = 59.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.