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Finding the Fourth Proportional to 175.80, 262.53 and 148.74

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Solution

The fourth proportional to 175.80, 262.53 and 148.74 is: 222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.80 : 262.53 = 148.74 : x
  2. Step 2: Convert to fraction form
    175.80/262.53 = 148.74/x
  3. Step 3: Cross multiply
    175.80x = 262.53 × 148.74
  4. Step 4: Simplify right side
    175.80x = 39,048.71
  5. Step 5: Solve for x
    x = 39,048.71/175.80
  6. Step 6: Final answer
    x = 222.12

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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.