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Finding the Fourth Proportional to 27.02, 40.51 and 14.98

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Solution

The fourth proportional to 27.02, 40.51 and 14.98 is: 22.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.02 : 40.51 = 14.98 : x
  2. Step 2: Convert to fraction form
    27.02/40.51 = 14.98/x
  3. Step 3: Cross multiply
    27.02x = 40.51 × 14.98
  4. Step 4: Simplify right side
    27.02x = 606.84
  5. Step 5: Solve for x
    x = 606.84/27.02
  6. Step 6: Final answer
    x = 22.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.