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Finding the Fourth Proportional to 154.04, 211.07 and 148.37

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Solution

The fourth proportional to 154.04, 211.07 and 148.37 is: 203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.04 : 211.07 = 148.37 : x
  2. Step 2: Convert to fraction form
    154.04/211.07 = 148.37/x
  3. Step 3: Cross multiply
    154.04x = 211.07 × 148.37
  4. Step 4: Simplify right side
    154.04x = 31,315.77
  5. Step 5: Solve for x
    x = 31,315.77/154.04
  6. Step 6: Final answer
    x = 203.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.