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Finding the Fourth Proportional to 59.29, 88.45 and 54.06

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Solution

The fourth proportional to 59.29, 88.45 and 54.06 is: 80.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.29 : 88.45 = 54.06 : x
  2. Step 2: Convert to fraction form
    59.29/88.45 = 54.06/x
  3. Step 3: Cross multiply
    59.29x = 88.45 × 54.06
  4. Step 4: Simplify right side
    59.29x = 4,781.61
  5. Step 5: Solve for x
    x = 4,781.61/59.29
  6. Step 6: Final answer
    x = 80.65

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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.