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Finding the Fourth Proportional to 60.15, 83.00 and 35.58

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Solution

The fourth proportional to 60.15, 83.00 and 35.58 is: 49.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.15 : 83.00 = 35.58 : x
  2. Step 2: Convert to fraction form
    60.15/83.00 = 35.58/x
  3. Step 3: Cross multiply
    60.15x = 83.00 × 35.58
  4. Step 4: Simplify right side
    60.15x = 2,952.75
  5. Step 5: Solve for x
    x = 2,952.75/60.15
  6. Step 6: Final answer
    x = 49.09

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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.