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Finding the Fourth Proportional to 230.04, 344.52 and 148.77

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Solution

The fourth proportional to 230.04, 344.52 and 148.77 is: 222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.04 : 344.52 = 148.77 : x
  2. Step 2: Convert to fraction form
    230.04/344.52 = 148.77/x
  3. Step 3: Cross multiply
    230.04x = 344.52 × 148.77
  4. Step 4: Simplify right side
    230.04x = 51,254.24
  5. Step 5: Solve for x
    x = 51,254.24/230.04
  6. Step 6: Final answer
    x = 222.81

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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.