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Finding the Fourth Proportional to 148.33, 204.53 and 93

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Solution

The fourth proportional to 148.33, 204.53 and 93 is: 128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.33 : 204.53 = 93 : x
  2. Step 2: Convert to fraction form
    148.33/204.53 = 93/x
  3. Step 3: Cross multiply
    148.33x = 204.53 × 93
  4. Step 4: Simplify right side
    148.33x = 19,021.29
  5. Step 5: Solve for x
    x = 19,021.29/148.33
  6. Step 6: Final answer
    x = 128.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.