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Finding the Fourth Proportional to 62.06, 92.64 and 56.93

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Solution

The fourth proportional to 62.06, 92.64 and 56.93 is: 84.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.06 : 92.64 = 56.93 : x
  2. Step 2: Convert to fraction form
    62.06/92.64 = 56.93/x
  3. Step 3: Cross multiply
    62.06x = 92.64 × 56.93
  4. Step 4: Simplify right side
    62.06x = 5,273.71
  5. Step 5: Solve for x
    x = 5,273.71/62.06
  6. Step 6: Final answer
    x = 84.98

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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.