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Finding the Fourth Proportional to 59.41, 88.66 and 52.30

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Solution

The fourth proportional to 59.41, 88.66 and 52.30 is: 78.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.41 : 88.66 = 52.30 : x
  2. Step 2: Convert to fraction form
    59.41/88.66 = 52.30/x
  3. Step 3: Cross multiply
    59.41x = 88.66 × 52.30
  4. Step 4: Simplify right side
    59.41x = 4,636.92
  5. Step 5: Solve for x
    x = 4,636.92/59.41
  6. Step 6: Final answer
    x = 78.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.