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Finding the Fourth Proportional to 159.48, 237.51 and 155.16

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Solution

The fourth proportional to 159.48, 237.51 and 155.16 is: 231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.48 : 237.51 = 155.16 : x
  2. Step 2: Convert to fraction form
    159.48/237.51 = 155.16/x
  3. Step 3: Cross multiply
    159.48x = 237.51 × 155.16
  4. Step 4: Simplify right side
    159.48x = 36,852.05
  5. Step 5: Solve for x
    x = 36,852.05/159.48
  6. Step 6: Final answer
    x = 231.08

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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.