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Finding the Fourth Proportional to 59.93, 90.23 and 52.49

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Solution

The fourth proportional to 59.93, 90.23 and 52.49 is: 79.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.93 : 90.23 = 52.49 : x
  2. Step 2: Convert to fraction form
    59.93/90.23 = 52.49/x
  3. Step 3: Cross multiply
    59.93x = 90.23 × 52.49
  4. Step 4: Simplify right side
    59.93x = 4,736.17
  5. Step 5: Solve for x
    x = 4,736.17/59.93
  6. Step 6: Final answer
    x = 79.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.