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Finding the Fourth Proportional to 159.90, 237.30 and 152.64

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Solution

The fourth proportional to 159.90, 237.30 and 152.64 is: 226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.90 : 237.30 = 152.64 : x
  2. Step 2: Convert to fraction form
    159.90/237.30 = 152.64/x
  3. Step 3: Cross multiply
    159.90x = 237.30 × 152.64
  4. Step 4: Simplify right side
    159.90x = 36,221.47
  5. Step 5: Solve for x
    x = 36,221.47/159.90
  6. Step 6: Final answer
    x = 226.53

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.