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Finding the Fourth Proportional to 62.10, 93.62 and 59.66

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Solution

The fourth proportional to 62.10, 93.62 and 59.66 is: 89.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.10 : 93.62 = 59.66 : x
  2. Step 2: Convert to fraction form
    62.10/93.62 = 59.66/x
  3. Step 3: Cross multiply
    62.10x = 93.62 × 59.66
  4. Step 4: Simplify right side
    62.10x = 5,585.37
  5. Step 5: Solve for x
    x = 5,585.37/62.10
  6. Step 6: Final answer
    x = 89.94

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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.